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 5920-00-221-8371
NSN 5920-00-558-6792
NSN 5915-00-167-0306
NSN 4140-01-552-1885
NSN 6320-01-204-2922
NSN 5920-00-250-8290
NSN 5945-00-249-1645
NSN 5996-00-521-3853
NSN 5855-01-414-6265
NSN 5925-01-314-3949
NSN 5925-01-211-7745
NSN 5935-01-337-4998