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 4140-01-259-2715
NSN 2925-01-254-3068
NSN 6130-01-516-5935
NSN 6150-01-421-2543
NSN 7035-01-104-4349
NSN 5905-00-250-2059
NSN 6610-00-100-1195
NSN 5990-01-116-2181
NSN 6130-01-042-8631
NSN 5920-00-075-5726
NSN 5990-00-288-1820
NSN 5930-01-221-0520