The standard sizes for o-rings include 20 sizes used to seal straight-thread tube fittings on a boss. A boss is a ± cylindrical projection on a casting or forging.

O-ring size charts for U.S. and metric o-ring sizes. Find the right size o-rings, quad-rings, x-rings and square-rings for your application. Custom and non-standard o-ring sizes available with no …

The following tables list approximately 2000 O-ring sizes in order by inside diameter. These O-ring sizes correspond to US Standard AS568, British Standard, Swedish, as well as many common …

After several years absence, Precision Associates is bringing back our popular O-Ring Dimensions & Illustrations catalog. Full-size representations of our Standard Size O-Rings are …

Find the recommended O-ring size and gland dimensions in the appropriate design table in Static O-Ring Sealing or Dynamic O-Ring Sealing, Sections IV and V, respectively.

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O-rings manufactured out of compounds with different shrinkage rates (other than AN) will produce slightly different dimensions and tolerances. For more information on shrinkage rates, …

AS568 dash number appears to the right of O-ring inside diameter (I.D.) and below cross sectionial diameter. Reference Only.

All sizes with 1/16” nominal wall are listed first, followed by rings with 3/32” wall, then 1/8” wall, etc. This is the same mode of presentation found in the ARP 568 Uniform-Numbering System, …

That document, published by the Society of Automotive Engineers (SAE), lists the sizes of O-rings in six series or groups in both inches and millimeters. The first five series are based on cross …