Metric o rings and custom size o rings are often used when a standard o ring size will not fit an application or existing hardware.
Buna o ring size chart.
And metric o ring sizes quad ring seals rubber x ring seals rubber square ring seals.
These o ring sizes correspond to us standard as568 british standard swedish as well as many common metric sizes according to.
We have millions of as568 o rings in stock which can be purchased easily through our o rings online store.
The tables in the o ring size chart list approximately 2000 o ring sizes in order by inside diameter.
To view the size tolerances for the o rings we sell please refer to either the as568 size chart for american standard sizes or our metric o ring tolerances page for all.
This as568 o ring chart is a sae size standard for o rings and shows as568 rev b or as568b o ring sizes which supersedes as568 rev a or as568a o ring dimensions.
Use the usa standard o ring sizing chart to find parker and as568 o ring sizes that work for your application.
Millions of o ring sizes are in stock and ready to ship today.
The proper o ring size is a fundamental aspect of proper o ring performance.
However with the exception of our as568 size chart our other size reference charts do not list tolerances as these tend to vary between the standards issuing organizations.