O Ring Gauge Chart

Record the thickness of the ring the cross section see image for reference.

O ring gauge chart.

Select a size to buy standard and custom o rings from the world s largest inventory network or custom orders can be made within a few weeks typically without tooling fees. Quick reference tape measure confirms metric size o rings 64mm 665mm inside diameter on one side and usa as568 standard o ring sizes from 2 5 id to 26 inside diameter on the other side. More resources and quick links. Place the o ring into a vernier caliper.

Note that the o ring has been. Lightly clamp the jaws of the caliper onto the o ring but do not compress it. Check out this post a simple. The seal material under mechanical pressure extrudes into the microfi ne grooves of the gland.

O ring is mechanically squeezed out of round between the outer and inner members to close the fl uid passage. Find as568 o ring standard sizes by cross section inside diameter and outside diameter in our o ring size chart and separate o ring tolerance chart. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters.