Porter Seal Company
O Rings, Orings, O-Rings, gaskets, grommets, rubber products

 


Our O-Ring Sizes

Standard orings come in universal sizes. The size of standard orings is controlled by the AS568B standard. The sizes are given in the charts below.

O-Ring Diagram

Nominal Actual View Sizes
1/16" .070" Sizes .001 thru 050
3/32" .103" Sizes 102 thru 178
1/8" .139" Sizes 201 thru 284
3/16" .210" Sizes 309 thru 395
1/4" .275" Sizes 400 thru 424
1/4" .275" Sizes 425 thru 475
*** *** Sizes 901 thru 932

If you cannot find the size you require in the charts for universal oring sizes, we can fabricate special sizes for you in all materials.


1301 South Akard • Dallas, Texas 75215 • Sales: (817) 594-9164 • Distribution: (214) 426-2257 • Contact Us