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 6240-01-174-1907
NSN 6320-01-388-1067
NSN 5990-01-633-9503
NSN 2925-00-386-8745
NSN 5920-01-554-9804
NSN 5998-01-623-4971
NSN 6610-00-045-5733
NSN 5990-00-974-1918
NSN 6620-01-239-9564
NSN 5935-01-241-9864
NSN 4140-01-322-8133
NSN 6685-01-107-9927