Od is 0.375 in
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6135-01-397-2170
NSN 5960-01-394-3846
NSN 5835-00-564-0057
NSN 6220-00-446-7626
NSN 5930-00-573-1439
NSN 5998-01-265-5175
NSN 5990-01-571-7468
NSN 5950-00-250-7037
NSN 5910-01-518-6647
NSN 5910-00-710-6617
NSN 7035-00-064-7008
NSN 5960-01-173-5639