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 5998-00-137-7156
NSN 6610-00-331-3460
NSN 5965-01-204-8505
NSN 6220-01-502-7218
NSN 5999-00-617-8404
NSN 5910-00-891-6213
NSN 5960-01-604-1158
NSN 5920-01-659-5826
NSN 6650-01-522-3637
NSN 6135-01-281-4758
NSN 5910-01-195-8392
NSN 6620-01-517-0014