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 5975-00-382-0721
NSN 5999-01-634-0576
NSN 5945-00-875-7906
NSN 5990-01-333-8678
NSN 6650-01-633-9147
NSN 6150-00-105-1415
NSN 5965-01-071-3704
NSN 5930-01-495-6528
NSN 6150-01-036-0646
NSN 6105-01-422-2752
NSN 5930-00-280-2562
NSN 6145-01-456-0903