Buna O Ring Size Chart

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.
Buna o ring size chart. Popular o ring size standards include usa s as568 o ring size chart the uk s bs 1806 o ring sizing chart and japan s jis b 2401 o ring size list. The tables in the o ring size chart list approximately 2000 o ring sizes in order by inside diameter. Whether your application conforms to u s japanese jis british bs or common metric sizing for o rings these o ring size charts will help you locate the right o ring size. 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.
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. The proper o ring size is a fundamental aspect of proper o ring performance. 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. Millions of o ring sizes are in stock and ready to ship today.
Use the o ring size chart to find the perfect as568 o rings for you. Use the usa standard o ring sizing chart to find parker and as568 o ring sizes that work for your application.