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 4140-01-284-5722
NSN 5910-00-942-5317
NSN 5975-01-634-0678
NSN 6105-01-444-1170
NSN 6105-00-258-2157
NSN 5835-00-373-2671
NSN 5925-01-096-5269
NSN 5905-01-231-0675
NSN 5920-00-781-3572
NSN 6650-00-195-7519
NSN 5835-00-725-2087
NSN 6610-01-604-7335