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 4140-01-476-2767
NSN 5920-01-136-2260
NSN 6685-00-033-7933
NSN 6220-01-437-9085
NSN 5930-00-687-2288
NSN 2925-01-323-9835
NSN 5855-00-149-0766
NSN 5910-01-432-4619
NSN 6220-01-242-9901
NSN 5945-00-180-8374
NSN 5965-01-056-7225
NSN 6130-01-324-0007