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AN-fitting measurements; AN-hose measurements; AN-pipe / tube measurements; AN-key grip measurements; Do you measure outer diameter or inner diameter? Thread inside or outside diameter? We'll cover how to do this right here!
In this guide, we will explore the dimensions of AN fittings, covering both male and female thread tables, corresponding AN sizes, equivalent nominal OD tube sizes, hose inner dimensions, and male fitting inner dimensions. We will specifically focus on AN sizes ranging from 4AN to 16AN.
6 Φεβ 2018 · AN fittings and hoses are often found installed on high performance and race cars. AN hoses are used for fuel, oil, coolant and hydraulic fluids. AN stands for Army-Navy as the specification was developed based on a standard for flexible fluid connections used during World War II.
Understanding AN fittings All AN fittings have a mating flare seat at 37 degrees This guide will use the “AN” name to refer to these fittings. AN fittings come in a range of sizes, they are called the ‘dash size’ because it has a dash followed by two digits. Here is an AN size chart
Step-by-Step Guide to Measuring AN Fittings. Identify the Fitting Type: Determine whether you are measuring a straight, 90-degree, 45-degree, swivel, or bulkhead fitting. Measure the Outer Diameter: Use calipers to measure the outer diameter of the fitting’s threads.
AN (or Army/Navy) was never intended to characterize an entire fluid system, and is mostly designed as a thread specification. AN sizes range from -2 to -32 in irregular steps, with each step equating to the OD (outside diameter) of the tubing in 1/16" increments.
Luckily, there is an AN fitting hose size chart that can help you determine the correct size fitting for your application. Simply match the AN size of your hose with the AN size of the fitting you need, and you’ll be good to go.
