O Ring Boss Thread Chart

O rings for straight thread tube fitting bosses.

O ring boss thread chart.

A straight thread not tapered is used so that the o ring seals under compression. The seal is made when the o ring is squeezed into the chamfer. The seal takes place by compressing the o ring into the chamfer. The female port of the o ring boss has a sealing face chamfer and a straight thread.

O rings for straight thread tube fitting bosses this class of o rings is primarily utilized in hydraulic tubing and fittings up to 3000 psi. The male connector has an o ring and a straight thread. The female port has a straight thread a machined surface minimal spotface and a chamfer to ac cept the o ring. Sometimes referred to as o ring boss the male connector has a straight thread and an o ring.

Special order o ring materials. The threads hold the connection mechanically. Sae o ring boss thread chart thread size measurement taken from outside diameter of male threads sae o ring boss fittings seal with an o ring at the base of the male fitting against a chamfered area on the female port. Sae o ring boss is typically seen in porting applications such as cylinders pumps motors and valves.

The o ring seals against the machined seat on the female port. Sae o ring o ring boss are straight thread fittings that seal using a o ring between the thread and the wrench flats of the fitting. Because of their use in primarily high pressure applications these seals are normally supplied in 90 durometer material. O ring fittings can be either adjustable or non adjustable.