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 5905-01-344-0854
NSN 6130-01-230-5037
NSN 5855-01-384-4914
NSN 5999-00-991-3239
NSN 6150-01-227-7547
NSN 6645-01-651-9562
NSN 5925-01-030-9227
NSN 5920-01-020-7659
NSN 5915-00-060-0077
NSN 5895-01-502-7913
NSN 5945-01-101-4171
NSN 5999-01-056-4490