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 4140-01-373-0031
NSN 2925-01-004-5627
NSN 5915-01-222-2277
NSN 5950-00-666-1887
NSN 6650-01-363-0963
NSN 5999-00-706-9078
NSN 5998-01-126-4683
NSN 5965-00-964-1756
NSN 6220-01-023-3296
NSN 5925-01-540-2462
NSN 5965-01-406-3156
NSN 6645-01-025-1002