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 5998-00-255-9921
NSN 6130-00-113-9768
NSN 6240-01-442-7746
NSN 5999-01-167-9939
NSN 6220-01-135-0485
NSN 5965-01-556-4337
NSN 5998-01-191-9507
NSN 6650-00-084-4258
NSN 5905-01-054-3393
NSN 6150-01-634-0575
NSN 6620-00-866-3416
NSN 6240-01-306-0525