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 5905-01-137-2257
NSN 5920-01-224-4334
NSN 6650-00-369-4429
NSN 2925-00-777-2902
NSN 6150-00-518-1402
NSN 5915-01-072-8069
NSN 2925-01-041-8201
NSN 6135-01-413-4747
NSN 5999-00-147-5857
NSN 6130-01-151-0901
NSN 4140-01-502-5601
NSN 6220-01-023-3296