O Ring Boss Fittings Chart

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.

O ring boss fittings chart.

The seal is made when the o ring is squeezed into the chamfer. O ring fittings can be either adjustable or non adjustable. Uno o ring boss seals with o ring compressed between hex boss of un male and 12 15 tapered bore of un o ring boss female port. For elbows and tees backup washer and lock nut allow orientation of fitting to required direction.

Special order o ring materials. Sae j514 straight thread o ring boss orb this straight thread connection uses the same threads as the jic 37 shown above. O rings for straight thread tube fitting bosses. The male connector has an o ring and a straight thread.

The female port of the o ring boss has a sealing face chamfer and a straight thread. Home steel adapters sae o ring boss orb steel sae o ring boss fittings orb click here to learn more about sae orb fittings. Site help faq. Boss seals the as568 901 through 932 o ring sizes parker s 3 series are intended to be used for sealing straight thread tube fittings in a boss.

However the 37 flare has been removed and an o ring has been added. Sae straight thread o ring o ring boss sae j1926 1 and iso 11296 1. The design charts below show the standard boss designs that are used for this purpose. Page of 1.

Non adjustable fittings are screwed into a port where no alignment is needed. When mated with a female o ring boss port the o ring is trapped in a special tapered counter bore to affect the seal.