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 5975-01-013-1011
NSN 5920-01-457-4653
NSN 5999-00-945-2283
NSN 5905-01-301-0164
NSN 6220-01-564-7897
NSN 5996-00-283-7385
NSN 5905-00-993-6753
NSN 6220-00-776-2614
NSN 5990-00-875-4628
NSN 5990-01-431-3725
NSN 5920-01-030-1112
NSN 4140-01-596-7716