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 4140-01-372-2938
NSN 4140-00-247-0482
NSN 5895-01-523-0110
NSN 5925-00-791-9759
NSN 5996-00-316-5115
NSN 5905-01-328-7904
NSN 6110-01-408-5621
NSN 6650-01-536-4086
NSN 5915-00-091-3620
NSN 6685-00-004-9828
NSN 4140-01-628-2318
NSN 5920-01-420-5768