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 6320-01-352-5653
NSN 4140-01-607-8707
NSN 5905-00-994-7293
NSN 5960-00-821-6693
NSN 5930-01-037-6869
NSN 6130-01-440-7591
NSN 6240-01-308-1848
NSN 5945-01-633-4303
NSN 6150-00-163-6165
NSN 5975-01-262-7330
NSN 5990-00-985-1334
NSN 6320-00-149-7570