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 5960-01-132-2975
NSN 5965-01-252-8701
NSN 5910-01-425-8838
NSN 5999-00-702-6594
NSN 5855-00-763-2155
NSN 5915-01-309-1598
NSN 5950-01-634-0677
NSN 6130-00-199-9545
NSN 4140-01-341-9807
NSN 5990-01-355-4694
NSN 5999-00-488-9980
NSN 5935-00-375-5189