O-Rings in all sizes, compounds and durometers from Sealing Specialties, Inc.

Sealing Specialties distribute o-rings and seals including spliced orings, o ring kits, Teflon encapsulated o-rings and seals, back-up rings, braided packings, lathe cut seals, gaskets, polyurethane seals, oil seals, metal gaskets, perfluoroelastomer o-rings

Sizing Charts

CROSS SECTION .070" ± .003"

Part # Dimensions in Inches Nominal Size (reference only)

AS568A I.D. ± C/S I.D. O.D. C/S

001 .029 .004 .040 1/32 3/32 1/32

002 .042 .004 .050 3/64 9/64 3/64

003 .056 .004 .060 1/16 3/16 1/16

004 .070 .005 .070 5/16 13/64 1/16

005 .101 .005 .070 3/32 7/32 1/16

006 .114 .005 .070 1/8 1/4 1/16

007 .145 .005 .070 5/32 9/32 1/16

008 .176 .005 .070 3/16 5/16 1/16

009 .208 .005 .070 7/32 11/32 1/16

010 .239 .005 .070 1/4 3/8 1/16

011 .301 .005 .070 5/16 7/16 1/16

012 .364 .005 .070 3/8 1/2 1/16

013 .426 .005 .070 7/16 9/16 1/16

014 .489 .005 .070 1/2 5/8 1/16

015 .551 .007 .070 9/16 11/16 1/16

016 .614 .009 .070 5/8 3/4 1/16

017 .676 .009 .070 11/16 13/16 1/16

018 .739 .009 .070 3/4 7/8 1/16

019 .801 .009 .070 13/16 15/16 1/16

020 .864 .009 .070 7/8 1 1/16

021 .926 .009 .070 15/16 1-1/16 1/16

022 .989 .010 .070 1 1-1/8 1/16

023 1.051 .010 .070 1-1/16 1-3/16 1/16

024 1.114 .010 .070 1-1/8 1-1/4 1/16

025 1.176 .011 .070 1-3/16 1-5/16 1/16

026 1.239 .011 .070 1-1/4 1-3/8 1/16

027 1.301 .011 .070 1-5/16 1-7/16 1/16

028 1.364 .013 .070 1-3/8 1-1/2 1/16

029 1.489 .013 .070 1-1/2 1-5/8 1/16

030 1.614 .013 .070 1-5/8 1-3/4 1/16

031 1.739 .015 .070 1-3/4 1-7/8 1/16

032 1.864 .015 .070 1-7/8 2 1/16

033 1.989 .018 .070 2 2-1/8 1/16

034 2.114 .018 .070 2-1/8 2-1/4 1/16

035 2.239 .018 .070 2-1/4 2-3/8 1/16

036 2.364 .018 .070 2-3/8 2-1/2 1/16

037 2.489 .018 .070 2-1/2 2-5/8 1/16

038 2.614 .020 .070 2-5/8 2-3/4 1/16

039 2.739 .020 .070 2-3/4 2-7/8 1/16

040 2.864 .020 .070 2-7/8 3 1/16

041 2.989 .024 .070 3 3-1/8 1/16

042 3.239 .024 .070 3-1/4 3-3/8 1/16

043 3.489 .024 .070 3-1/2 3-5/8 1/16

044 3.739 .027 .070 3-3/4 3-7/8 1/16

045 3.989 .027 .070 4 4-1/8 1/16

046 4.239 .030 .070 4-1/4 4-3/8 1/16

047 4.489 .030 .070 4-1/2 4-5/8 1/16

048 4.739 .030 .070 4-3/4 4-7/8 1/16

049 4.989 .037 .070 5 5-1/8 1/16

050 5.239 .037 .070 5-1/4 5-3/8 1/16

1/16" (Nominal .070")
3/32" (Nominal .103")
1/8" (Nominal .139")
3/16" (Nominal .210")
1/4" (Nominal .275)
900 (BOSS) Series