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 5920-01-100-5571
NSN 6320-01-575-6342
NSN 6650-01-386-1300
NSN 6240-01-546-9756
NSN 4140-01-288-2947
NSN 6150-00-042-5660
NSN 5945-01-343-4902
NSN 5920-01-579-1652
NSN 6105-00-167-4231
NSN 4140-00-152-7092
NSN 2925-00-247-6248
NSN 7035-00-922-5700