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 6620-01-423-7300
NSN 5990-00-915-1295
NSN 6320-01-334-9840
NSN 4140-01-410-8615
NSN 5975-01-463-7285
NSN 5996-01-358-7183
NSN 2925-00-909-2596
NSN 5915-01-518-0685
NSN 5985-01-454-0666
NSN 5920-00-407-0310
NSN 2925-01-595-4345
NSN 6110-01-090-8718