An fittings size chart. AN fittings, hose and pipes dimension.
An fittings size chart Measure the thread od and pitch, and you know. Sep 13, 2023 · JIC hydraulic fittings, a 37 degree flare fittings meet SAE J514 standard, known for their high-pressure rating and excellent seal, are a staple in industries like agriculture, construction, and manufacturing. ) of the fitting itself. ANplumbing. Jan 10, 2018 · AN & NPT fitting thread size chart So if you wanted to buy regular barbed fittings to install in your typical 6AN application, the thread diameter is SAE 9/16 with 18 threads per inch. For best results, torque to the smaller number in the torque range, and tighten until it stops leaking (without exceeding the Hydraulic hose fitting size chart is a valuable tool for anyone working with hydraulic systems. Aircraft Spruce is the trusted source for aircraft parts, pilot supplies, and aviation equipment. Jun 11, 2025 · Refer to a fitting chart: Many manufacturers provide charts that correlate thread size, flare angle, and tube size with fitting dimensions. A-N, therefore, stands for Army-Navy. Both AN fittings, AN hose and AN pipes are measured in different ways. NOTE: - AN and ORB thread are the same diameter. When choosing an AN fitting, first confirm the hose size needed. Applications ne and hydraulic systems. of the fitting, and the AN fitting size with the closest-matching I. Note: for existing assemblies, to determine the replacement hose ID, read the lay line printing on the side of the orginal An Hose Size Chart An Hose Size Chart - Discover a comprehensive guide to an fitting dimensions, featuring male and female thread tables, an sizes, nominal od tube sizes, and hose inner dimensions for sizes 4an to 16an. Search our huge inventory of AN Adapters, AN Hose Ends, AN Hose, and accessories for racing, marine, and aerospace applications. This guide will help you understand the AN fitting size chart and choose the correct fittings for your needs, covering AN fitting, hose, and tube sizing. (outside diameters) of the tub-ing in 1/16". The line drawings below depict the actual sizes of the various common AN/ORB thread sizes. These fittings are primarily used for fuel, hydraulic, and other fluid systems in aerospace, military, and high-performance automotive applications. Here you get answers on what dimensions connections and accessories have. Check out details for ORB Fitting Size. The number represents the OD (Outside Diameter) of the tube the fitting was designed to fit in the old AN specifications. Fitting Thread Size Chart The following chart is intended as a quick reference guide for thread size by dash size. Nov 22, 2023 · AN Hose and Fitting Size Charts As fuel line sizes, and tubing in general, differ across makes and models, it’s useful that AN hoses are offered in so many sizes (and also that the tubing can be easily customized using the various AN fittings). Next, choose the angle needed, whether straight, 45, 90, 180 degree or other option. See full list on jegs. This guide covers hose types, sizes, ends, adaptors, maintenance and more. AN fittings are a flare fitting, using 37° flared tubing to form a metal-to-metal seal. Discover a comprehensive guide to an fitting dimensions, featuring male and female thread tables, an sizes, nominal od tube sizes, and hose inner dimensions for sizes 4an to 16an. Orb fittings are an indispensable component in many hydraulic systems, offering unparalleled sealing efficiency, durability, and versatility. S. Find the right size o-rings, quad-rings, x-rings and square-rings for your application. of the line NPT sizing designates the I. Check the detail for inverted flare fitting size chart. Check out detail AN Standards as Applied to Fluid Carrying Fittings Each AN size also references a standard male and female thread size that is used on fittings - such as hose end fittings, adapters, and port fittings. This specification dictates angle, threading, and the inside and outside diameters of hose the fittings are used in conjunction with. The male portion of the fitting features a straight thread, distinctively characterized by a groove. Apr 24, 2025 · JIC vs AN fittings, this article describes meanings, types, size charts, compatibility, installation methods, and solutions to common problems! Mar 26, 2023 · AN (Army-Navy) fittings were first developed during World War II for use in military aircraft hydraulic systems. Each AN size also uses its own standard thread size. Apr 2, 2020 · SAE thread ORB fitting size chartSAE Straight Thread O-ring (O-Ring Boss) SAE J1926-1 and ISO 11296-1 It is port connection from stud end, also is male to female SAE thread connection fittings. d. The female port of the O-Ring Boss has a sealing face, chamfer, and a straight thread. Below is a table displaying AN Use this handy chart to determine the -AN fitting size based on corresponding thread sizes. See tables for AN tube size, thread size, wrench size, and hose size from -2 to -32. and metric o-ring sizes. The chart below shows the fitting size, the (accepted) equivalent size, the hose's real inside diameter, and some general uses for the various sizes. (The chart to the right will clarify this point. This means that in theory AN-8 is 8/16″ or 1/2″. This is because unlike hard lines which designate the O. a "pipe size". AN Fitting Guide AN Size Thread Size (UNJC) Hose Size Max Torque in Ft lbs B Nut Size AN Fitting Size Guide You can always identify AN fittings based on the male thread size (outside diameter). The name is derived from a standardized joint agreement between the Army and Navy during World War II regarding the size specification of the fitting. It’s important to choose the correct size in order to prevent leaks or other issues that could compromise safety and efficiency. Sep 16, 2021 · JIC fittings are flare fittings with straight threads used in hydraulic systems up to 310 bar. AN Thread AN thread specification was derived from the US military as a standard agreed upon by the Army and Navy (AN). AN fittings are a flare fitting, using 37° flared tubing to form a metal-metal seal. com the original online supplier of Earls Fittings. Explore AN fittings: sizes, charts, materials, and applications. Explore the differences between these two standards in this article. These fittings have a straight fine thread, similar to a fine thread standard bolt, and use a 37 degree flare to do the sealing. What is an AN Jan 17, 2025 · AN (Army-Navy) fitting sizing refers to a standardized system used to identify the size of aircraft and military fluid line components, including hoses, fittings, and connectors. as a dash followed by tw 37o that confirms thread information along with its AN dash size and a visual guide to what that means in actual size. AN HEX OD IDENTIFICATION CHART While AN fittings depend on the outside diameter of a tube for sizing, NPT fittings depend on the interior diameter (I. Master the AN fitting size chart for your next project with this detailed 1100-word guide. The number in parenthesis is SAE wrench size equivalent. Discover a comprehensive guide to an fitting dimensions, featuring male and female thread tables, an sizes, nominal od AN Sizing AN fittings are commonly used in motorsport and modified street cars. Aug 6, 2025 · Know which pipe diameter to use when fitting pipe, and how to convert actual diameter to nominal diameter. Note: for existing assemblies, to determine the replacement hose ID, read the lay line printing on the side of the orginal While AN fittings depend on the outside diameter of a tube for sizing, NPT fittings depend on the interior diameter (I. Jul 8, 2025 · Choosing the right size AN fitting is crucial for a secure and leak-free connection. [2] Apr 18, 2025 · To understand pipe fittings, you need to understand the production standards of pipe fittings, and the sizes and specifications corresponding to different production standards. For male threads, simply measure the actual outside diameter of the pipe or pipe fiting and use the chart to identify the corresponding nominal diameter a. Apr 18, 2025 · To understand pipe fittings, you need to understand the production standards of pipe fittings, and the sizes and specifications corresponding to different production standards. Assembling an tubing requires a few tools. They are similar to other 37° flared fittings, such as JIC, which is their industrial variant. Dash sizes relate to hose or tube sizes in 1/16” increments. Sep 15, 2024 · Our Hose End Fittings and Adapter Fittings deliver dependable, smooth-flowing connections for a wide array of plumbing and fluid delivery systems. Super Stock hose comes in a variety of sizes from -4 through -12 sizes. Apr 18, 2025 · Consider Fluid Type and Flow Rate: Higher flow applications (like fuel return lines or coolant bypass) may require larger fittings (e. This groove is not a mere design aesthetic; it serves the vital purpose of housing an O-ring. Both an fittings, an hose and an pipes are measured in different ways. Note: While most SAE JIC fittings size chart for identifying the correct size of bulkhead fitting adapter for skid steer quick couplers May 23, 2025 · View sizing guides, definitions and other resources to ensure proper fittings selection and purchase. Each page includes pictoral references, part numebr and a short description. Find the equivalent tube size, hose ID, and other port types for each AN size. Jul 15, 2023 · Here’s how to correctly measure brass fitting sizes, including how to find corresponding pipes that fit the measured dimensions. May 21, 2023 · Understanding the dimensions of AN fittings is essential when selecting the appropriate size for your application. AN Fitting Size Guide: The AN numbers refer to the tubing OD in sixteenths of an inch. Find expert tips on choosing, installing, and maintaining brake line fittings for safe and efficient braking. Ductile Iron All DI Fittings Rated 250 psi As noted in ANSI/AWWA C111/A21/11, ductile iron flanged joints in the 24” and smaller sizes may be rated to 350 psi with the use of “special” gaskets. AN seals with the flare, ORB seals with an O-ring. -6 = 6/16 = 3/8s They locate and seal via a taper style lock. shoulder below the hex and above the threads, to trap the O-ring in Tube Fitting A ailable in tube sizes from 1/16 in. ORFS (O-Ring Face Seal) fittings are becoming the most popular international fitting type used on global OEM machines due to their high level of sealing and their good vibration resistance. These sizes are constant regardless of brand, hose type, or fitting configuration. Custom and non-standard o-ring sizes available with no tooling or setup fees. . Metric tube compression fittings include two connections, the DIN 2353 L “light” series and the DIN 2353 S “heavy” series. Each has its own tube sizes and thread dimensions as shown in the following table: May 19, 2020 · Background The idea behind AN hoses and AN fittings was to provide a flexible alternative to rigid tubing in plumbing systems on aircraft and military vehicles. 18)" beside the item number I want to order in the drop down menu? Wrench Size Hose Dash Size to Wrench Size Get A Quote Custom Built 2-3 day Delivery Made To Last For custom hose assemblies, click here Sep 21, 2023 · Hose barb size chart A hose barb size chart (Table 1) typically lists the hose ID (inside diameter), the barb OD (outside diameter), and the fitting size. AN/MS FLARED FITTINGS CROSS REFERENCE CHARTSORTED BY NUMBER THREAD SIZES “AN” THREAD SIZES “AN” (Army-Navy) Sizes were established by the Aerospace industry years ago and were designated O. The below chart shows how an size is determined. The straight threads of the each half hold the connection together mechanically. In the part number 10343-8-6, for example, -8 is the size of the fitting end connection, and -6 is the hose size. These are the same thread sizes that have been used in aircraft and industrial applications for many years. -8) and divide the number by 16. AN sizes range from -2 (dash two) to -32 in irregular steps, with each step equating to the OD (outside diameter) of the tubing in 1/16" increments. Since tubing and hoses can have different wall thicknesses, the size number does not necessarily tell you how large the inside diameter will be. In reality, the large variation of AN fitting types, and hose types means that these numbers are often quite different An Hose Size Chart An Hose Size Chart - Discover a comprehensive guide to an fitting dimensions, featuring male and female thread tables, an sizes, nominal od tube sizes, and hose inner dimensions for sizes 4an to 16an. AN Fitting Tightening Torque Chart Here is a list of torque values for each AN fitting size. g. Both halves have a straight thread, with the female having a flat surface and the male connector containing an O-ring. We hope that the table provided below, along with a brief history of AN sizing, will be useful. Common types include elbows, tees, couplings, adapters, and more. Feb 25, 2020 · This handy video from Earl's Performance will show you how to pick the best size AN fitting for your automotive plumbing project. An Fitting Sizes Chart An Fitting Sizes Chart - These sizes are constant regardless of brand, hose type, or fitting configuration. An Fitting Size Chart An Fitting Size Chart - You can use an an sizing chart to match a particular size of an fitting to the type of hose that will match. Reference step 2 to determine the properties of fittings/couplers and reference step 3 to measure fittings/couplers. By referring to the tables above, you can easily identify the correct male and female thread sizes, nominal OD tube sizes, hose inner dimensions, and male fitting inner dimensions for your specific needs. Aug 19, 2021 · JIC and AN fittings serve distinct purposes and adhere to different standards. Do you want to look for hydraulic fittings with the proper thread size and type? Then, download our visual guide of thread sizes and styles. EYEBOLT AN42 Thru AN49 Rated Strength-Pounds E Pin Tensile Strength AN# Size Min Max Size of eye Yield Strength of eye Refer to AN3-AN9 Chart for length Data and Dash Numbers. Apr 21, 2023 · An Fittings Size Chart An Fittings Size Chart - The an hose and fitting guide is the free to download and use high performance plumbing publication. This chart will help you determine the appropriate size of the fitting required for your specific gas flare. Super Stock hose is intended to only be used with matching Earl’s Super Stock hose ends. Each type of fitting serves a specific purpose, so understanding the pipe schedule and fitting's function is crucial. While an fittings depend on the outside diameter of a tube for sizing, npt fittings depend on the interior diameter (i. An AN fitting size chart is helpful if desired. JIC Fitting Dimensions chart is very useful for a customer to select the right fittings and install correctly in application. It helps ensure you select the correct fitting for your specific hose and application. Installation Instructions Explore our range of automotive AC fittings for secure and efficient connections. Aircraft Hardware AN MS and NAS Part Quick Guide ISO Metric Hardware ANSI Hardware Guide Military, Aerospace Hardware Selection Guide for AN, MS and NAS hardware. It offers detailed dimensions‚ including thread size and overall length‚ ensuring compatibility in fluid and gas systems. Each fitting is finished with a durable polished black hard-anodized coating, providing AN fitting hose size chart is a chart that shows the different sizes of hose and fitting combinations used in the automotive industry. AN Fitting Sizes AN fittings come in a variety of standardized sizes based on a long-standing military specification. To read a fuel line size chart, find the appropriate size of the fuel line and look for the corresponding fittings that match the application. The male connector has an O-ring and a straight thread. When a fitting is installed into the Straight port, the O-ring fittings is include trapped between a hex, and the fitting sometimes body hex an or additional washer and cylindrical port cavity. Apr 6, 2024 · An AN fitting size chart is a downloadable document providing crucial measurements for selecting appropriately sized components using the AN standard. ) The numbers assigned equate to the O. Did you notice that for hose part numbers, we talked about inside diameter, and for tube part numbers, we referred to an outside diameter? This is not an accident. Crafted with care, our fittings are CNC-machined from high-quality 6061 Aluminum and feature a robust double PTFE O-ring design that ensures a leak-proof seal. Similarly -8 AN hoses are 8/16 = 1/2 inch in outer diameter. The drawings below depict actual sizes of our AN/JIC thread sizes shown in the appropriate dash number. The seal takes place between the male flare and female cone seat. Find the perfect an size for your needs. SAE inverted flare fitting features with a 42° seat, and a flared male tubing with a 45°seat. AN Plumbing - XRP Fittings | AN Adapters, PTFE Hoses & Ends Apr 19, 2024 · The thread size and pitch are typically specified in the AN fitting size chart, which provides a comprehensive list of AN fitting sizes and their corresponding thread sizes and pitches. k. Serving certified, experimental, and homebuilt aircraft worldwide. If You can use an an sizing chart to match a particular size of an fitting to the type of hose that will match. Sep 12, 2023 · Different types of fittings give designers the flexibility to alter fluid flow, divide it, or adjust the positioning of the lines. So it will be 8/16=1/2 so 1/2inch hose will suit a -8 fitting. However, installing these fittings can be a bit tricky, especially if you’re not familiar with the proper drill tap size required for each fitting. AN fittings, hose and pipes dimension. Having issues choosing a grease fitting? Read this guide to learn more about grease fitting and select the best suited one for your need! Orb Fitting Size Chart - Each of our orb fittings contain a thread chart in the description for your convenience. AN sizes are shown as a size number prefixed with a hyphen, so a -10 fitting would be called a “Dash 10″ AN fitting. The chart may also provide information such as the maximum pressure rating and temperature range for each size. Feb 6, 2018 · AN Sizes The AN sizing can be confusing at first but once you get used to it you can tell the size just by looking at the fitting. of the rigid metal tube that each size fitting is used with. The fitting size refers to the size of the other end of the barbed fitting that will connect to the device or another hose. Speedflow AN Fittings and Stainless Steel Lines: What size are they, really? AN, NAS, and MS series aerospace hardware selection guide and information. Check our hydraulic fittings size chart for the different ODs. Can you see the confusion starting? Tubing is known by OD Mar 22, 2023 · When it comes to automotive plumbing, AN Fittings and Flexible AN Hose have become the go-to choice for high-performance fluid control applications. If you're planning to use them, it's crucial to measure them accurately. Find your bra band size. Measure Twice: Use a caliper or thread gauge to confirm thread size if you’re replacing or adapting existing fittings. R12 and R134 ATCO Engineering Guide EG-1031 (FITTING AND HOSE SIZE GUIDE). Grease fittings, also known as zerk fittings, are a small but integral component in machinery lubrication systems. The flare standard is unique since its 37º flare where normal flare is 45º. Fittings are a little different and slightly more complex. (inside dimension). Therefore NPT sizing is larger than their size may seem to indicate. This is known as “AN Thread Size”. Note the General Uses is a guideline only is not meant to be all inclusive; you could use a -32 (2") fuel line if you really wanted to. Learn how to identify and measure AN fittings based on the male thread size and the convex flare. Each AN size number has its own standard thread size [see column three of the chart]. QC Hydraulics is a supplier of AN and JIC fittings and adapters for over 20 years. Fitting Sizes The following chart is intended as a quick reference guide for actual fitting sizes. Note that AN fittings and NPT fittings will not work together. So AN fittings have to connect to AN fittings, there is no interchanging the two. The AN size reference the Outer Diameter of hose in 1/16th of an inch increments. However, understanding the sizing conventions of AN fittings can be confusing, with multiple different systems used. Even though it doesn’t look like it at first glance, the sizing system is easy to understand. Therefore, a -8 AN size would be equal to 1/2" OD tube (8 x 1/16 = 1/2). If you are unsure as to what size fitting you have lay your fitting over the appropriate drawing to determine its size. Web these relate to how the hose is connected, including: Web fortunately, each an size will always correlate with one specific fitting size. Both the JIC male and JIC female fittings have 37° seat with straight threads. Brass Flare Fitting Finder ChartBrass Flare Fitting Finder Chart What is the " (+. Jun 7, 2021 · The chart to the right and below will show some of the common AN sizes along with the closest national pipe thread size (NPT). Explore our in-depth guide on brake line fittings. Learn how to choose and fit AN hose and fittings for high performance and race vehicles. requiring no seals or o rings etc. At their core, these fittings are designed for optimal sealing. Here is an an size chart that confirms thread information along with its an dash size and a visual guide to AN Standards as Applied to Fluid Carrying Fittings Each AN size also references a standard male and female thread size that is used on fittings - such as hose end fittings, adapters, and port fittings. Click above to shop all fittings, or try our search function in the top right corner. AN hose sizes were designed to match the ID sizes of these rigid tubes. Consider the application: The type of fluid, pressure, and temperature will influence the choice of fitting material and size. Table of Contents Introduction The correct dimensions for compression fittings are crucial for ensuring system integrity, safety, and optimal performance. Apr 2, 2020 · SAE thread JIC fitting size chartSAE J514 37° Flare (also known as JIC) This is a very common connection in Hydraulic fluid power applications. Here’s a simplified overview of common hydraulic hose fitting sizes and types used by professionals: American Connections: National Pipe Tapered Fuel (NPTF) NPTF connectors have both male and female threads. It should be used in appropriate sizes, with appropriate standard fittings and only up to recommended working pressure, as in suggestions are offered as a guide to successful installation. The inside diameter of the hose must be adequate to keep pressure loss to a minimum and avoid damage to the hose due to heat generation or excessive turbulence. While AN fittings depend on the outside diameter of a tube for sizing, NPT fittings depend on the interior diameter (I. AN fittings come in sizes ranging from -2 to -24. That gives you the hose size OD. AN778 Elbow – 45° AN792Detachable Hose Swivel Fitting AN795Brass Union Tee AN800Union Cone AN804Flared Tube Tee with Bulkhead May 1, 2019 · This cart shows the actual sizes of the army navy fuel line fittings in regards to the actual size in inches The AN Hose and Fitting Guide is your free 28 page pdf eBook that explains AN hose AN fittings and AN Hose Ends, Includes Hose End Fitting guide. Please reference next page for dimensional charts. Dec 3, 2020 · We have included a small chart that lists fuel compatibility relative to each style of Earl’s hose in this story. Jump to: Step 1 (Thread Identification) > Step 2 (Sealing Forms) > Step 3 (Dash Sizes) Step 3: Dash Sizes Use the information from the previous step to locate the Dash Size in the Thread Guide below Click Here to Download this Table as a PDF << Sealing Identification < Back to List > Elastomeric Seals >> The most common flare fitting standards in use today are the 45° SAE flare, the 37° JIC flare, and the 37° AN flare. Note: 12 inch-pounds = 1 foot-pound Assembly Notes These torque values do not apply to flared tube or compression fittings. Understanding AN fittings All AN fitings have a mating flare seat at 37 degrees This guide will use the “AN” name to refer to these fiings. For example a -3 AN hose has an external diameter of 3/16th of an inch. The sizing of NPT fittings is often misunderstood. Conclusion Based on the collected measurements, match each measurements taken against the charts with similar properties to the couplers, threads, fittings & adapters. The following chart shows the each size's thread-per-inch count, the I. “AN” stands for Army Navy “AN” stands for Army Navy, which is a military spec type fitting. These fittings join to form a highly leak resistive connection, in applications up to 6000 psi. This chart is essential for engineers and manufacturers to maintain system integrity and performance. The thread dimensions and tube sizes are different for each series. STEEL PIPE, BUTTWELD FITTINGS & FLANGES TO ASME STANDARDS ASME B36. 10 Steel Pipe Dimensions Approximate Mass of Popular Sizes Pipe Buttweld Fittings VISIT US AT BRENNANINC. The seal is made when the O-ring is squeezed into the SAE O-Ring Boss Fittings Guide There are diferent ways to identify threads, everybody identifies them diferently depending on how you’ve been taught. & 2mm to 50 mm. This guide provides a detailed overview of compression fitting dimensions, covering everything from understanding and measuring these fittings to application-specific sizing and troubleshooting. On the flip side, the female counterpart also Torque SpecificationsSize Chart Overview When it comes to gas flares, one important consideration is the fitting size chart. Dec 31, 2014 · Find the equivalent sizes of AN fittings and hose in inches and fractions. Listed in the chart below all the relevant data relating to AN/JIC threads and diagrams for the B-Nut or Wire Nut sizes. Pipe size chart or reference materials Steps to Measure Pipe Fittings Step 1: Determine the Type of Fitting Identify the type of fitting you are measuring. COM SAE ORB fitting meet SAE J1926 standard that is one of the most popular thread in the America. to 2 in. B-NUT Size Diagrams NPT & BSP Fitting Identification Chart O-ring Boss ports (ORB) provide a seal by trapping the fitting’s O-ring inside a port cavity. AN Fitting sizing corresponds to the outer diameter of the metal tube that the fitting is used with, and incrementally increases by 1/16″. By referring to this chart, users can easily determine the correct thread size and pitch for their specific application, ensuring a secure and reliable connection. , -10AN or -12AN). View our detailed hydraulic flange fitting size chart to easily identify the right size for your hydraulic system, ensuring optimal performance in your project. com The table below lists the specifications of An Fitting Size Chart ranging from dash-two to dash-thirty-two, along with the corresponding SAE thread sizes. Basically take the dash number (eg. However, this system does not specify the ID (inside diameter) of the tubing because the tube wall can vary in thickness. 📏 AN Fitting Size Chart Jan 27, 2025 · How to Choose the Right AN Fitting Size Choosing the right AN fitting size involves measuring the male thread diameter and comparing it to the AN size chart․ Ensure compatibility with hoses and threads for optimal performance․ Measuring for the Correct AN Size Measuring for the correct AN size begins with identifying the male thread’s outside diameter (OD)․ Using a caliper, measure the Each AN size also uses its own standard thread size. Trust Air Components in Mesa, Arizona for quality parts since 1984. Oct 31, 2006 · AN fitting size chart? Jump to Latest 23K views 8 replies 5 participants last post by BillaVista Oct 31, 2006 sceep Discussion starter Piping and structural fitter formula Pipe fitter formula and training Pipe branch dummy support cut bank pdf chart Pipe fittings dimensions and pipe schedule pdf chart O-ring size charts for U. Oct 10, 2023 · AN fittings are a particular type of fitting used to connect flexible hoses and fluid-carrying metal tubing together. Fortunately, a grease fitting drill tap size chart can make this process easier, allowing you to find the right size for each Jan 22, 2020 · Looking for information on AN Plumbing Fitting Torque and Tightening Methods? Then come read about it at Pegasus Auto Racing Supplies! Aug 25, 2023 · ORB fittings are commonly employed in medium to high-pressure hydraulic applications. This is accomplished by squeezing both the inside and outside of the hose wall between the nipple and socket of the fitting. What are AN fittings used for? Fittings are available in two categories: DIN 2353 L (light) and DIN 2353 S (heavy) classes. D. For those that don't know, the number before the "AN" indicates how many 16ths outer diameter the intended Oct 13, 2021 · Step 4. Their robust design and high-pressure capabilities made them indispensable in the aviation industry, and their popularity quickly spread to the automotive sector. body hex or washer and port cavity. Aug 13, 2019 · This handy chart gives you all the torque specs for each AN fitting size that you'll commonly see in vehicle engine plumbing applications. These fittings are sized by dash sizes, not fractional sizes. AN fittings have Straight Thread, and use O-ring seals. Jun 30, 2014 · AN Fittings are based on imperial measurements. Learn more about their design, uses, and SAE J514 standard. From wiki To read a fuel line size chart, find the appropriate size of the fuel line and look for the corresponding fittings that match the application. The female side of the fitting has a reverse 37 degree The easiest way to know what nominal pipe size you are working with is to use a conversion chart like we have below. If your fitting has a convex 37 degree flare at the end, the threads will tell you the AN size (and vice-versa). Sizes for rigid tubes were already standardized, with sizes called out by tubing OD (3/16", 1/2", etc). There are a variety of factors to consider when selecting the International Mobile Air Conditioning Association (IMACA) Standard 320 (FITTINGS, HOSE AND ASSEMBLIES FOR R134a AIR CONDITIONING SYSTEMS) Society of Automotive Engineers (SAE) Standard J512 (AUTOMOTIVE TUBE FITTINGS) R CONDITIONING SYSTEMS). B-NUT SIZE CHART The line drawings below depict actual sizes of the various common types of fittings, hose ends and adapters. iqvxs xhvww mqfddj htbi uxyih ypng lucsn nrn rlzpfzx qvkmrcj dndxne zfbkra ybppxf nddg rih