How are JIC fitting sizes measured?

Published by Charlie Davidson on

How are JIC fitting sizes measured?

JIC 37° Flare (SAE J514) NPTF, BSPT and BSPP measure 1/4” larger than their actual size. For example, a 1/4” NPTF, BSPT or BSPP will actually measure 1/2” on the O. D. of the threads.

What is the standard included angle of a JIC fitting?

37-degree
JIC fittings, defined by the SAE J514 and MIL-DTL-18866 standards, are a type of flare fitting machined with a 37-degree flare seating surface. JIC (Joint Industry Council) fittings are widely used in fuel delivery and fluid power applications, especially where high pressure (up to 10,000 psi) is involved.

How is JIC measured for men?

Place the gauge on the threads until the fit is snug. Match your measurements with the tables in this guide. First measure the port hole diameter using a caliper. Next, measure the longest bolt hole spacing from center to center or measure the flange head diameter.

What size is #4 JIC fitting?

JIC 37° Flare (SAE J514)

Inch size Dash size Female thread O.D (in)
3⁄16 -3 0.34
1⁄4 -4 0.39
5⁄16 -5 0.45
3⁄8 -6 0.51

How do I know my fitting size?

You can always identify AN fittings based on the male thread size (outside diameter). These sizes are constant regardless of brand, hose type, or fitting configuration. If your fitting has a convex 37 degree flare at the end, the threads will tell you the AN size (and vice-versa).

What size is JIC?

JIC 37° Flare (SAE J514)

Inch size Dash size Male Thread O.D. (in)
1⁄2 -8 3⁄4
5⁄8 -10 7⁄8
3⁄4 -12 11⁄16
7⁄8 -14 1 3⁄16

What is the difference between JIC and NPT?

The difference is the way each thread seals. While the JIC seals on a metal-to-metal flare, the ORB seals on an O-ring, which offers the best leak free connection. … NPT Pipe Threads: NPT pipe threads are your traditional tapered thread fittings and have been used for 100 years.

How do you size an fitting?

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. Therefore, a -8 AN size would be equal to 1/2″ OD tube (8 × 1/16 = 1/2).

What size is #6 JIC fitting?

JIC 37° Flare (SAE J514)

Inch size Dash size Female thread O.D (in)
3⁄8 -6 17⁄32
1⁄2 -8 11⁄16
5⁄8 -10 13⁄16
3⁄4 -12 1

Categories: Popular lifehacks