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 6220-01-204-8916
NSN 4140-01-044-3366
NSN 2925-00-065-5837
NSN 5996-00-241-6201
NSN 5920-01-094-7284
NSN 5925-01-396-1584
NSN 5915-00-932-3039
NSN 5960-01-391-0643
NSN 6320-01-039-5891
NSN 6650-01-462-5405
NSN 5920-01-306-8753
NSN 5945-01-521-3104