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 6610-01-459-8690
NSN 6620-01-411-5750
NSN 5915-01-317-3086
NSN 5960-01-632-6576
NSN 6130-01-224-7497
NSN 5990-00-241-3780
NSN 5920-01-272-1354
NSN 6130-00-827-4518
NSN 5895-01-607-0658
NSN 6220-00-177-3086
NSN 6610-00-045-8132
NSN 5990-01-056-6413