Standard and metric oring sizes in stock. Large inventory of buna nitrile o-ring, silicone o-ring, epdm o-ring and viton o-ring sizes. We also supply a wide range of mil-spec o-rings. And for serious demanding service, we offer perfluoroelastomer o-rings including Chemraz®, Kalrez® and Simriz® o-rings.
Shown at right are some of the various o-ring and related products carried and a list of list of common standard and military spec materials. Click on a link for more information.
Standard O-Ring Compounds
Buna and Teflon® back-up rings. PTFE (Teflon) backups are available as
solid, split and spiral backup rings.
Standard o-ring dimensions with four sealing surfaces available in
Buna and Viton.
Standard o-ring dimensions with a square cross section configuration.
Commonly available in Buna material.
Spliced and vulcanized custom size o-rings to nearly any dimension.
Just specify cross section and ID.
Standard and metric cross sections in buna and viton o-ring cord stock. Silicone o-ring cord and other materials are also available in inch sizes.
Oring Kits provide a convenient assortment of common sizes. Standard o-ring kits, metric o-ring kits, splicing kits, quad kits and more. Click the Link for more info.
Available here is a PDF format o-ring sizing chart showing o-ring dimensions for standard size o-rings. It is grouped by cross section and sorted by inside diameter.
Lubricants are often used in o-ring assembly to prevent damage, to help seat the o-ring and can offer protection as a surface film. Parker offers a standard o-lube as well as a super o-lube. Click the o-ring lubricant link above for more info.