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 2925-00-759-4146
NSN 5910-00-737-1617
NSN 5999-01-197-8688
NSN 5920-01-328-4899
NSN 4140-01-106-9951
NSN 5960-00-865-8428
NSN 5935-00-580-1724
NSN 5965-00-482-7945
NSN 5920-00-782-6903
NSN 6650-01-541-6718
NSN 6130-01-492-6628
NSN 5950-00-403-5412