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 5990-01-239-1474
NSN 6130-01-218-0559
NSN 5930-00-900-5758
NSN 6110-00-004-6937
NSN 6320-01-098-2503
NSN 5920-01-612-0524
NSN 6240-00-703-6614
NSN 5920-01-270-2171
NSN 6220-01-371-1791
NSN 6220-01-519-8385
NSN 6645-01-056-5291
NSN 6320-01-618-7800