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 4140-01-482-1178
NSN 6610-01-023-6073
NSN 5910-01-126-9298
NSN 6110-01-029-3403
NSN 6130-01-209-2620
NSN 6130-00-947-7323
NSN 6240-00-300-2736
NSN 6320-01-473-3848
NSN 6650-00-299-9681
NSN 2925-01-633-4048
NSN 2925-01-556-0333
NSN 6240-01-350-3533