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 4140-01-459-4761
NSN 5990-00-576-4882
NSN 5960-00-009-8082
NSN 6105-01-197-4905
NSN 5935-00-700-1002
NSN 6620-01-603-6442
NSN 5920-00-448-5369
NSN 5945-01-231-1340
NSN 5990-01-421-3325
NSN 6685-00-269-9940
NSN 6685-01-062-1153
NSN 6135-01-378-3331