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 5990-00-899-1662
NSN 5998-00-881-0149
NSN 6110-01-303-8236
NSN 6150-00-518-1402
NSN 5915-01-267-6946
NSN 5905-00-150-1312
NSN 6110-01-590-9201
NSN 5835-01-416-6455
NSN 4140-01-188-8160
NSN 5960-00-930-7848
NSN 5935-01-657-0486
NSN 6220-01-632-0405