O Ring Specification Chart

And metric o ring sizes.

O ring specification chart. O rings are the most commonly used and widely available rubber sealing rings in the market. An o ring seal is used to prevent the loss of a fl uid or gas. Cross sectional diameters range from 0 040 to 0 275 inch. Custom and non standard o ring sizes available with no tooling or setup fees.

The best o rings are useless without the right groove design which becomes increasingly important the more demanding the application environment. There are 369 standard sizes. O ring groove design guides offer default dimensional guidance on the most basic o ring groove design applications. The standard sizes are also used for most military specifications.

Review the general o ring groove design considerations before moving onto the. Find as568 o ring standard sizes by cross section inside diameter and outside diameter in our o ring size chart and separate o ring tolerance chart. O ring kits the handy carrying case with o rings is ideally suited. O rings o rings are manufactured according to metric and im perial international standards such as as 568b din iso 3601 and jis.

This o ring size chart provides a list of standard as568 o ring sizes. Most industries consider as568 specifications standard o ring sizes. Find the right size o rings quad rings x rings and square rings for your application. Custom sizes of almost any dimen sion are possible such as miniature o rings and special o rings with large dimensions.

Select a size to buy standard and custom o rings from the world s largest inventory network or custom orders can be made within a few weeks typically without tooling fees. Order o rings online from the world s largest inventory network including custom o rings typically without tooling fees. Refer to our standard o ring size chart to find usa as568 o ring dimensions. Usa as568 o ring standard sizes are the most commonly used o ring sizes in the world.

The seal assembly consists of an elastomer o ring and a gland. In de signing this new group of o rings we left spacing in the part numbers to allow us to add additional sizes should they be required. An o ring is a circular cross section ring molded from rubber figure 1 1. 1 2 what is an o ring seal.

On o ring drive belts and their application will be found in o ring applications section iii. Please contact us if you are looking for a size not shown in the 5 32 group. O ring size charts for u s. Each as568 dash number is a unique number that denotes specific o ring dimensions.

Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections. O ring tolerances vary by use please refer to our o ring. Various nations and organizations have developed o ring sizing standards that are now used worldwide. Nominal cross section o rings.

Popular o ring size standards include usa s as568 o ring size chart the uk s bs 1806 o ring sizing chart and japan s jis b 2401 o ring size list.