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 4140-01-265-0731
NSN 5930-01-454-2516
NSN 5990-01-560-0896
NSN 6150-01-542-6329
NSN 5925-01-123-7852
NSN 6610-01-112-0447
NSN 5855-01-468-4996
NSN 5930-01-495-1066
NSN 5996-01-549-1157
NSN 5905-00-126-6921
NSN 5920-00-109-2062
NSN 6620-00-149-7557