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 4140-01-200-5032
NSN 6110-01-380-8639
NSN 6620-01-376-2150
NSN 5945-00-458-3931
NSN 6610-00-097-5176
NSN 5855-01-492-8248
NSN 6220-00-964-1042
NSN 6685-01-231-2866
NSN 6110-01-210-4681
NSN 6610-01-587-6068
NSN 6220-01-370-4215
NSN 6135-00-702-2772