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 6135-01-573-1831
NSN 5855-00-337-3679
NSN 4140-01-123-8801
NSN 6110-01-384-2319
NSN 6220-01-612-4460
NSN 5985-00-223-4235
NSN 5996-00-231-9322
NSN 6610-00-532-7881
NSN 4140-01-456-0891
NSN 5975-01-525-2017
NSN 5996-01-363-3117
NSN 6110-01-587-4232