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 6150-01-653-4439
NSN 6220-01-217-1517
NSN 5910-01-223-4793
NSN 5925-01-650-5714
NSN 6145-01-028-9984
NSN 5945-01-024-7882
NSN 5999-00-074-9545
NSN 6135-01-534-3007
NSN 5855-01-250-2421
NSN 4140-00-950-6951
NSN 6220-00-081-6429
NSN 6685-00-762-5917