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 5920-00-421-0991
NSN 6220-00-676-0904
NSN 6110-01-449-5149
NSN 4140-01-358-1104
NSN 5950-01-519-2709
NSN 5996-01-535-0652
NSN 2925-01-359-9818
NSN 5935-00-855-1766
NSN 5985-01-408-8640
NSN 5835-00-794-7500
NSN 6105-01-147-8623
NSN 6650-00-992-4540