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 5960-01-375-5231
NSN 5990-00-827-0684
NSN 6135-00-162-2437
NSN 4140-01-134-5047
NSN 5915-01-196-5830
NSN 5910-01-650-8043
NSN 5996-00-776-6877
NSN 5960-01-081-3949
NSN 6650-00-256-9059
NSN 6320-01-102-0799
NSN 6320-01-399-6177
NSN 5835-01-359-2575