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 4140-01-418-3017
NSN 6650-01-304-1739
NSN 6150-01-415-6485
NSN 6130-01-042-8201
NSN 5925-01-035-3151
NSN 5920-01-455-8068
NSN 4140-00-802-2968
NSN 5855-00-928-1912
NSN 5925-01-519-6496
NSN 5999-01-437-2986
NSN 5996-00-185-1372
NSN 5925-01-167-3317