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 4140-00-056-0708
NSN 5990-00-010-1413
NSN 4140-01-058-6602
NSN 5835-01-481-4204
NSN 5920-01-083-8272
NSN 5920-00-800-8998
NSN 7035-00-405-3502
NSN 5935-01-429-0157
NSN 5996-01-082-5854
NSN 2925-01-651-8683
NSN 6135-01-450-3781
NSN 5920-01-107-5125