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 5935-01-242-4060
NSN 6320-01-461-5866
NSN 5990-01-160-6978
NSN 6135-00-519-1325
NSN 5915-01-145-6071
NSN 6145-01-276-3415
NSN 2925-00-973-9413
NSN 4140-00-007-5726
NSN 6130-00-285-8119
NSN 4140-01-280-3003
NSN 6220-00-741-1002
NSN 6135-01-435-8451