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 4140-01-431-6560
NSN 6240-01-066-0110
NSN 4140-00-144-6833
NSN 5999-00-549-1905
NSN 5975-01-619-6472
NSN 5930-01-014-2564
NSN 6240-00-874-3533
NSN 5965-01-122-7477
NSN 5915-00-431-7868
NSN 6220-01-350-0908
NSN 4140-01-089-4713
NSN 5925-00-450-4646