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 5920-01-411-1029
NSN 2925-00-983-7521
NSN 6220-01-527-7245
NSN 6650-01-409-1517
NSN 5998-01-625-4078
NSN 4140-00-161-2586
NSN 5999-00-517-6778
NSN 5996-01-280-5417
NSN 6135-00-062-5080
NSN 5925-01-358-8780
NSN 6650-01-555-8819
NSN 6620-00-730-8699