O Ring Specifications

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 specifications. Exact specifications should be clarified by the vendor as chemical and physical properties of an o ring can differ based on manufacturing technique. Millions of o ring sizes are in stock and ready to ship today. 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.
Use the o ring size chart to find the perfect as568 o rings for you. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. Please contact us if you are looking for a size not shown in the 5 32 group. O ring boss sizes fkm viton bv90 brown viton.
An o ring can perform sealing by means of squeeze under low pressure conditions. 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. 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. General engineering menu o rings suppliers molded o rings services.
British standard metric sizes. Ep70 ethylene propylene fda parts list. As568 standard o ring. 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.
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. These are the sizes that are most readily available. O ring wholesale distributor online prices with low minimums quantity breaks discounts. S7100 silicon fda parts list.
O ring s7100 silicone 70a red. 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. 1967 iso 9002 qa. O ring is a 3 digit as568 standard for straight thread tube fittings as568a or b 901 and higher.
O ring boss sizes fkm aflas v1125 aflas parts list. The extent of extrusion depends upon the hardness of o ring the pressure and the size of the clearance gap. Now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections. For standard sizes aerospace standard as568 and iso 3601 for metric sizes are used to give the dimension and tolerance.
Use the usa standard o ring sizing chart to find parker and as568 o ring sizes that work for your application. An o ring also known as a packing is a flexible gasket in the shape of a loop.