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 6130-01-143-0131
NSN 5935-01-167-8190
NSN 6650-01-549-8478
NSN 6145-01-461-2750
NSN 5930-00-257-5758
NSN 4140-01-272-8091
NSN 6145-00-773-6195
NSN 5950-01-502-5342
NSN 5945-01-534-3664
NSN 5960-01-264-2087
NSN 5999-01-066-6426
NSN 5965-00-879-7287