O Ring Specification

Danco large o ring assortment 45 piece model 10825 4 98 4 98.

O ring specification. Find the right size o rings quad rings x rings and square rings for your application. 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. Refer to our standard o ring size chart to find usa as568 o ring dimensions. For other o ring materials be sure to.

An o ring also known as a packing or a toric joint is a mechanical gasket in the shape of a torus. 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. Usa as568 o ring standard sizes are the most commonly used o ring sizes in the world. The normal o ring sizes herein shown are based upon a 70 durometer nitrile standard.

The o ring may be used in static applications or in dynamic applications where there is relative motion between. 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. Nominal cross section o rings. O rings are available in various standard sizes.

O ring size charts for u s. Free delivery with 45 order. O ring groove design guides offer default dimensional guidance on the most basic o ring groove design applications. O d is for reference only.

Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections. Danco 8 o ring 10 pack model 96725 2 57 2 57. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. Various o ring compounds exhibit different shrinkage rates during molding.

Usa as568 o ring standard sizing chart common metric o ring sizing chart japanese jis o ring sizing chart british bs o ring sizing chart quad ring seals x ring sizing charts square ring sizing chart. Refer to our o ring sizing charts for the most commonly used sizes around the world like. 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. The best o rings are useless without the right groove design which becomes increasingly important the more demanding the application environment.

And metric o ring sizes. It is a loop of elastomer with a round cross section designed to be seated in a groove and compressed during assembly between two or more parts creating a seal at the interface. Inside diamter width cross section shrinkage size adjustment. Order o rings online from the world s largest inventory network including custom o rings typically without tooling fees.

Free delivery with 45 order. Custom and non standard o ring sizes available with no tooling or setup fees. Set your store to see local availability add to cart.