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 4140-01-616-5812
NSN 6110-00-699-1495
NSN 6145-00-170-9415
NSN 4140-00-908-2763
NSN 5950-00-113-9793
NSN 6650-01-047-5925
NSN 4140-01-385-4198
NSN 4140-01-633-9966
NSN 6145-00-826-6676
NSN 4140-01-394-3268
NSN 5855-01-068-8915
NSN 6320-01-386-3491