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.
O ring cross section 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.
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.
Fluid power systems o rings part 1.
That standard groups metric sizes into two series g and a.
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.
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.
O rings are available in various metric and inch standard sizes.
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.
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.
The most commonly found o ring size standard even in metric based machinery.
Nominal cross section o rings.
Thousands of common metric o rings and non standard o rings in metric sizes are available in stock.
Common metric o rings sizes.
Inside diameters cross sections tolerances and size identification code.
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.
Standard british o rings sizes.
O ring cross section and o ring groove design data from row inc.
Sizes are specified by the inside diameter and the cross section diameter thickness.
Please contact us if you are looking for a size not shown in the 5 32 group.
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.
In the us the most common standard inch sizes are per sae as568c specification e g.
The diagram shows exactly where these dimensions are to be found.