O Ring Specifications

These are the sizes that are most readily available.

O ring specifications.

For standard sizes aerospace standard as568 and iso 3601 for metric sizes are used to give the dimension and tolerance. British standard metric sizes. 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. General engineering menu o rings suppliers molded o rings services.

It is a 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. O ring boss sizes fkm 90a black. O ring boss sizes fkm viton bv90 brown viton. O ring s7100 silicone 70a red.

Use the o ring size chart to find the perfect as568 o rings for you. Exact specifications should be clarified by the vendor as chemical and physical properties of an o ring can differ based on manufacturing technique. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. An o ring is contained in a gland and forced to flow into the surface imperfections of the glands and any clearance gaps available to it.

The extent of extrusion depends upon the hardness of o ring the pressure and the size of the clearance gap. Complete information charts tables resource links for o ring sizes tolerances physical properties est. V7165 fkm 90a black. An o ring also known as a packing is a flexible gasket in the shape of a loop.

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. Ep70 ethylene propylene fda parts list. As568 standard o ring. O rings design guidelines specifications materials.

Since new designs should also try to incorporate these sizes we offer groove design tools for static and dynamic applications. S7100 silicon fda parts list. Millions of o ring sizes are in stock and ready to ship today. Now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections.

Metric o rings and custom size o rings are often used when a standard o ring size will not fit an application or existing hardware. An o ring can perform sealing by means of squeeze under low pressure conditions. 1967 iso 9002 qa. O ring wholesale distributor online prices with low minimums quantity breaks discounts.

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. O ring boss sizes fkm aflas v1125 aflas parts list.