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 5905-01-255-6332
NSN 5935-01-221-9823
NSN 6620-01-469-7828
NSN 4140-01-065-1884
NSN 6240-01-417-1933
NSN 6320-01-379-1182
NSN 6685-01-115-3953
NSN 5835-00-509-2373
NSN 6135-01-529-3789
NSN 7035-00-055-9778
NSN 4140-01-012-2460
NSN 5996-01-596-3039