O Ring Cross Section Sizes

Manufacturers of encapsulated o rings and industrial gaskets.

O ring cross section sizes.

The most commonly found o ring size standard even in metric based machinery. Browse our metric o ring size chart to view common metric o ring sizes and order o rings from the world s largest inventory network. Technical handbook o rings standard o ring sizes 000 series 004 to 050 cross section diameters w 070 003 inches w 1 78 0 08 mm size nominal size standard o ring size metric o ring size only inches inches millimeters as 568a actual per as 568 a actual per as 568a uniform dash no. Sizes are specified by the inside diameter and the cross section diameter thickness.

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. Standard metric sizes for o rings are defined by international standard iso 3601 1 2002. Custom o rings are available upon request and can typically be produced within a. Tolerances vary by use please see out tolerance pages.

Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections. O ring cross section and o ring groove design data from row inc. Thousands of non standard sizes are available in stock or can be made within a few weeks typically without tooling fees so no need to settle for a less than optimal fit. O rings are available in various metric and inch standard sizes.

In the us the most common standard inch sizes are per sae as568c specification e g. Nominal cross section o rings. Inside diameters cross sections tolerances and size identification code. 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.

Standard british o rings sizes. 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. The diagram shows exactly where these dimensions are to be found. British standard bs1806 american aerospace standard as568a sae boss seals and extended range of imperial sized o rings.

All you need to do is measure the internal diameter id or outside diameter od and the width or cross section c s of the o ring. That standard groups metric sizes into two series g and a. 0 070 1 16 nominal 1 78mm cross section. Fluid power systems o rings part 1.

Please contact us if you are looking for a size not shown in the 5 32 group.