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 5990-01-351-4621
NSN 6220-00-996-4285
NSN 6320-01-521-1764
NSN 4140-01-115-5977
NSN 5990-01-045-2129
NSN 5935-01-314-4947
NSN 5975-01-461-8125
NSN 5935-01-475-4334
NSN 5905-01-080-4939
NSN 5895-00-467-1140
NSN 6685-01-293-7740
NSN 6220-01-275-8548