O Ring Cross Section Sizes

Standard british o rings sizes.
O ring cross section sizes. Please contact us if you are looking for a size not shown in the 5 32 group. Inside diameters cross sections tolerances and size identification code. That standard groups metric sizes into two series g and a. O rings are available in various metric and inch standard sizes.
Tolerances vary by use please see out tolerance pages. Nominal cross section o rings. 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. Fluid power systems o rings part 1.
The diagram shows exactly where these dimensions are to be found. In the us the most common standard inch sizes are per sae as568c specification e g. 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. O ring cross section and o ring groove design data from row inc.
Thousands of common metric o rings and non standard o rings in metric sizes are available in stock. Standard metric sizes for o rings are defined by international standard iso 3601 1 2002. 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. Sizes are specified by the inside diameter and the cross section diameter thickness.
0 070 1 16 nominal 1 78mm cross section. Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections. The most commonly found o ring size standard even in metric based machinery. Common metric o rings sizes.
British standard bs1806 american aerospace standard as568a sae boss seals and extended range of imperial sized o rings. Custom o rings are available upon request and can typically be produced within a. 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. 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.
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.