O Ring Cross Section Sizes

The diagram shows exactly where these dimensions are to be found.

O ring cross section sizes.

In the us the most common standard inch sizes are per sae as568c specification e g. 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. Standard metric sizes for o rings are defined by international standard iso 3601 1 2002. That standard groups metric sizes into two series g and a.

Nominal cross section o rings. Fluid power systems o rings part 1. The most commonly found o ring size standard even in metric based machinery. Thousands of common metric o rings and non standard o rings in metric sizes are available in stock.

Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections. Tolerances vary by use please see out tolerance pages. 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.

0 070 1 16 nominal 1 78mm cross section. 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. Inside diameters cross sections tolerances and size identification code. Common metric o rings sizes.

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 ring cross section and o ring groove design data from row inc. Manufacturers of encapsulated o rings and industrial gaskets. O rings are available in various metric and inch standard sizes.

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

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.