O Ring Cross Section Sizes

O rings are available in various metric and inch standard sizes.

O ring cross section sizes.

O ring cross section and o ring groove design data from row inc. Standard british o rings sizes. 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.

Manufacturers of encapsulated o rings and industrial gaskets. British standard bs1806 american aerospace standard as568a sae boss seals and extended range of imperial sized o rings. 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.

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. In the us the most common standard inch sizes are per sae as568c specification e g. Sizes are specified by the inside diameter and the cross section diameter thickness. Fluid power systems o rings part 1.

Please contact us if you are looking for a size not shown in the 5 32 group. Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections. The diagram shows exactly where these dimensions are to be found. 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.

Nominal cross section o rings. 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. 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. Common metric o rings sizes.

The most commonly found o ring size standard even in metric based machinery. Inside diameters cross sections tolerances and size identification code. Once you have these measurements you then need to decide if the size you need is listed below or if the best fit will be a metric oring. Custom o rings are available upon request and can typically be produced within a.

Tolerances vary by use please see out tolerance pages.