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 4140-01-260-2433
NSN 6145-00-985-3284
NSN 6620-00-160-0844
NSN 5930-01-072-3135
NSN 6220-01-416-3852
NSN 5895-00-005-8102
NSN 5998-00-495-5649
NSN 5999-01-268-1921
NSN 6220-01-478-7019
NSN 5920-01-214-0451
NSN 5895-00-452-7134
NSN 5975-00-898-7968