SAE J514 SPECIFICATION PDF

Learn how and when to remove this template message JIC hydraulic fitting from Ford backhoe. It was badly stuck, but shows what a JIC fitting looks like. The left is the male part, the right is female. The angled seating surface is clearly visible on the far right. JIC Joint Industry Council fittings are widely used in fuel delivery and fluid power applications, especially where high pressure up to 10, psi is involved. JIC fittings are dimensionally identical to AN Army-Navy fittings, but are produced to less exacting tolerances and are generally less costly.

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SAE degree flare fittings are similar in appearance, but are not interchangeable, though dash sizes 2, 3, 4, 5, 8, 10, 14, and 16 share the same thread size. Some couplings may have dual machined seats for both degree and degree flare seats.

Komatsu and JIS both use a degree flare seating surface. JIC fitting systems have three components that make a tubing assembly: fitting, flare nut, and sleeve. As with other flared connection systems, the seal is achieved through metal-to-metal contact between the finished surface of the fitting nose and the inside diameter of the flared tubing.

The sleeve is used to evenly distribute the compressive forces of the flare nut to the flared end of the tube. Materials commonly used to fabricate JIC fittings include forged carbon steel , forged stainless steel , forged brass , machined brass, Monel and nickel-copper alloys. JIC fittings are commonly used in the Fluid Power industry in a diagnostic and test-point setting.

A three-way JIC coupling provides a port inline of circuit by which a user can connect a measurement or diagnostic device to take pressure readings and perform circuit and system diagnostics.