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 4140-01-489-0391
NSN 6110-01-052-2383
NSN 5835-01-381-2683
NSN 5925-00-546-8965
NSN 6135-01-116-3385
NSN 5915-01-121-0374
NSN 6130-01-444-4947
NSN 5905-01-588-0610
NSN 4140-01-144-1450
NSN 6105-01-526-8402
NSN 6650-01-486-5014
NSN 6620-00-098-5652