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 5990-00-371-6590
NSN 5999-00-186-0058
NSN 5910-01-643-0897
NSN 6130-01-265-8696
NSN 5985-01-487-8453
NSN 5935-00-840-4135
NSN 6130-01-083-0524
NSN 6685-00-548-5460
NSN 5990-01-188-7309
NSN 6240-01-389-0552
NSN 6685-01-239-0516
NSN 5855-01-411-2998