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 5910-01-290-1828
NSN 4140-01-371-4525
NSN 5990-01-058-4826
NSN 6130-01-660-6775
NSN 6645-01-400-1137
NSN 5855-01-076-5202
NSN 5975-00-110-8148
NSN 5999-01-235-7833
NSN 5935-00-165-1922
NSN 4140-00-083-1120
NSN 5920-01-606-8368
NSN 5996-01-220-4012