O Ring Specifications

An o ring also known as a packing is a flexible gasket in the shape of a loop.
O ring specifications. O rings design guidelines specifications materials. These are the sizes that are most readily available. An o ring can perform sealing by means of squeeze under low pressure conditions. O ring boss sizes fkm aflas v1125 aflas parts list.
Please contact us if you are looking for a size not shown in the 5 32 group. Millions of o ring sizes are in stock and ready to ship today. V7165 fkm 90a black. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings.
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. O ring wholesale distributor online prices with low minimums quantity breaks discounts. Use the usa standard o ring sizing chart to find parker and as568 o ring sizes that work for your application. O ring boss sizes fkm 90a black.
For standard sizes aerospace standard as568 and iso 3601 for metric sizes are used to give the dimension and tolerance. 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. 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. Now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections.
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. 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. General engineering menu o rings suppliers molded o rings services. Exact specifications should be clarified by the vendor as chemical and physical properties of an o ring can differ based on manufacturing technique.
As568 standard o ring. S7100 silicon fda parts list. British standard metric sizes. O ring is a 3 digit as568 standard for straight thread tube fittings as568a or b 901 and higher.
O ring s7100 silicone 70a red. Complete information charts tables resource links for o ring sizes tolerances physical properties est. Since new designs should also try to incorporate these sizes we offer groove design tools for static and dynamic applications. 1967 iso 9002 qa.
Ep70 ethylene propylene fda parts list. 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.