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 5990-01-581-5103
NSN 6220-00-209-4368
NSN 6110-01-608-3775
NSN 5920-01-412-4113
NSN 6150-01-586-8119
NSN 2925-01-628-4219
NSN 6645-01-094-8917
NSN 6620-00-229-2728
NSN 5920-00-946-5001
NSN 4140-00-733-7936
NSN 6650-00-850-3312
NSN 5910-01-424-8786