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 4140-01-256-6201
NSN 5920-00-857-6413
NSN 2925-01-436-7325
NSN 5915-01-210-7153
NSN 5855-01-563-1667
NSN 6610-00-953-9670
NSN 4140-00-926-4242
NSN 5975-01-325-2582
NSN 2925-01-422-1542
NSN 5985-01-416-1945
NSN 6320-01-302-5157
NSN 6145-00-081-6686