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 4140-00-880-0759
NSN 6150-01-298-0536
NSN 4140-00-640-6608
NSN 5945-01-151-2936
NSN 6240-01-488-9548
NSN 6320-00-405-2348
NSN 5965-01-482-3119
NSN 5920-01-634-0250
NSN 6130-01-456-0112
NSN 5990-01-196-2953
NSN 5835-00-924-4268
NSN 5905-00-260-5008