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 6135-00-906-0984
NSN 6220-01-212-3004
NSN 5925-00-997-8234
NSN 6130-00-182-1451
NSN 5920-01-111-1214
NSN 5950-01-552-1095
NSN 6650-01-237-4689
NSN 6150-00-644-0029
NSN 6145-01-414-6171
NSN 6685-01-180-9037
NSN 2925-01-038-7625
NSN 2925-01-088-9016