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 5960-00-789-1470
NSN 4140-01-124-0623
NSN 6220-00-969-3201
NSN 5920-00-254-8429
NSN 5895-01-336-1885
NSN 5950-01-239-7741
NSN 5925-01-569-3831
NSN 5990-00-835-8972
NSN 5930-00-202-1078
NSN 5920-01-379-1941
NSN 6650-01-533-7109
NSN 6320-00-823-2015