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 5930-01-358-1071
NSN 5975-01-390-8776
NSN 4140-00-860-1373
NSN 5915-01-326-4293
NSN 5855-01-607-6521
NSN 6150-01-200-7935
NSN 6320-00-164-4087
NSN 7035-01-150-1917
NSN 4140-00-930-4673
NSN 6240-00-454-9293
NSN 7035-00-406-0568
NSN 5920-00-753-5113