Note that the o ring has been.
O ring gauge chart.
Metric and inch cross section thickness reference gauge.
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.
Place the o ring into a vernier caliper.
More resources and quick links.
Record the thickness of the ring the cross section see image for reference.
Shop our selection of popular brand o rings like alfas buna epr viton and more.
The seal material under mechanical pressure extrudes into the microfi ne grooves of the gland.
Lightly clamp the jaws of the caliper onto the o ring but do not compress it.
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.
Figure 1 5 illustrates the application of fl uid pressure on the o ring.
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.
O ring is mechanically squeezed out of round between the outer and inner members to close the fl uid passage.