O-RING - SIZING
American Standard Cross Sections and Diameters
SERIES CROSS
SECTION
NOMINAL
SIZE
INSIDE
DIAMETER
004-050 .070 1/16" .070 THRU 5.239
102-178 .103 3/32" .049 THRU 9.737
201-284 .139 1/8" .171 THRU 17.955
309-395 .210 3/16" .412 THRU 25.940
425-475 .275 1/4" 4.475 THRU 25.940