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 4140-01-388-8941
NSN 5965-01-215-3184
NSN 5960-01-304-3073
NSN 5996-00-813-7422
NSN 6320-01-481-7322
NSN 6645-01-400-2119
NSN 5950-00-003-3578
NSN 6110-00-594-7640
NSN 6220-01-450-3264
NSN 5910-00-999-8901
NSN 5855-01-419-9429
NSN 5905-00-445-7986