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 4140-00-388-2979
NSN 5990-01-050-7535
NSN 5965-01-275-5472
NSN 6620-00-553-8988
NSN 6110-01-147-9273
NSN 5965-01-260-7146
NSN 5855-00-763-2155
NSN 5915-01-533-2481
NSN 5920-01-273-5454
NSN 6220-00-135-5909
NSN 6150-01-537-6775
NSN 5930-01-183-6594