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 …

Use our o-ring size chart and calculator to find the AS568 or metric sizing of standard size HNBR, Viton, and other o-rings.

All you need to do is measure the internal diameter (ID) or outside diameter (OD) and the width or cross section (C/S) of the o ring. The diagram shows exactly where these dimensions are to …

Here is an interactive chart for standard o-ring dimensions. There are two main o-ring sizing types. Standard was developed for use in the USA, while the international community uses …

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.

Full-size representations of our Standard Size O-Rings are displayed. This new version has more O-Rings illustrated, including Precision Associates’ own extended stan-dards.

Our O-Ring Size Charts show the common O-Ring size standards most often used/referenced standards by our customers in the US and internationally.

SAE Aerospace Standard (AS) specifies the inside diameters, cross-sections, tolerances, and size identification codes (dash numbers) for O-rings used in sealing applications and for …

To help you find the correct size, refer to the AS568 O-ring size chart below. When measuring an O-ring, it’s important to determine the inside diameter (ID) and cross-sectional diameter (CS) …

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 …