Thread size chart for an fittings. Hose size chart fractional equivalent all dimensions are in inches unless otherwise noted.
Chapter 12 Fuel Gas Piping California Plumbing Code 2016
An fitting sizes in inches. For some odd reason the automotive industry wants to make an fittings sound like something special. 316 38 24 sae 4 an. Use this handy chart to determine the an fitting size based on corresponding thread sizes. For example 8an hose has the same id as a 12 nominal tube 816 12. Lets start by taking a look at the an specification. 1 34 2 332.
Lay your fitting over the appropriate drawing to determine what size fitting you have. Huge selection over 100000 products from the top performance brands. 1 38 1 4564 28. Of the fitting and the an fitting size with the closest matching idinside dimension. Therefore a 8 an size would be equal to 12 inch od tube. 1 12 1 1316 32.
An sizes range from 2 to 32 in irregular steps with each step equating to the od outside diameter of the tubing in 116 increments. Pipe thread size chart use the diagram below to find pipe thread size. While an fittings depend on the outside diameter of a tube for sizing npt fittings depend on the interior diameter id of the fitting itself. Read fitting size where it intersects the vertical line. These are the same thread sizes that have been used in aircraft and industrial applications for many years. This means that 6an hose will not introduce any appreciable flow restriction in a fuel system designed around 38 od rigid tubing.
You can convert any an fitting to its nominal inch size by dividing the an number by 16 as follows. Place fitting against base line. 1 18 1 716 24. 4 an 416 or 14. Since tubing and hoses have assorted wall thicknesses depending on manufacturers the designated size number does not necessarily tell us anything about the inside diameter id of the plumbing component. An or armynavy was never intended to characterize an entire fluid system and is mostly designed as a thread specification.
3an hose has the same id as a 316 tube. 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 116 inch increments. Jic fittings size chart for identifying the correct size of bulkhead fitting adapter for skid steer quick couplers. However this system does not specify the id inside diameter of the tubing because the tube wall can vary in thickness. The pit stop usa difference were the experts we help you find a way to win. The an numbers refer to the tubing od in sixteenths of an inch.
The following chart shows the each sizes thread per inch count the id. 14 716 20 sae. Each an size number has its own standard thread size see column three of the chart.
Gallery of An Fitting Sizes In Inches
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