Standard British O-Rings Sizes

Tolerances vary by use, please see our tolerance pages. Thousands of non-standard sizes are available in stock or can be made within a few weeks typically without tooling fees so no need to settle for a less than optimal fit.

O-ring Sizing Dimensions

Size
CS (IN)
ID (IN)
OD (IN)
CS (MM)
ID (MM)
OD (MM)

If you'd like to discuss your specialty application with a product expert, call us today at (603) 468-3600


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