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O-Rings

Standard and metric oring sizes in stock. Large inventory of buna 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 carry 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.

 

Quick Links:

O-Ring Sizing Chart

 

O-Rings

O-Rings, O-Ring Kits, Mil Spec Viton Orings and More

O-Rings

Standard, metric and custom o-rings are offered from a complete range of commercial and mil-spec elastomers.

Back-up Rings

Buna and Teflon® back-up rings. PTFE (Teflon) backups are available as
solid, split and spiral backup rings.

Quad Rings

Standard o-ring dimensions with four sealing surfaces available in
Buna and Viton.

Square Rings

Standard o-ring dimensions with a square cross section configuration.
Commonly available in Buna material.

Custom O-Rings

Spliced and vulcanized custom size o-rings to nearly any dimension.
Just specify cross section and ID.

O-Ring Cord

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.

O-Ring Kits

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.

O-Ring Sizing Chart

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.

O-Ring Lubricant

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.