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 5920-00-436-0031
NSN 5960-00-148-4493
NSN 5920-00-170-4247
NSN 5985-00-636-4086
NSN 5905-01-160-1939
NSN 5960-01-231-2165
NSN 5996-00-288-1829
NSN 6130-00-303-3985
NSN 5999-00-763-3872
NSN 6130-01-429-0218
NSN 5975-01-314-6157
NSN 5935-00-354-2096