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 6320-01-512-2031
NSN 5996-01-556-9481
NSN 5930-01-349-7543
NSN 5915-01-423-4642
NSN 6650-01-158-6888
NSN 6650-00-717-8913
NSN 6105-00-900-4143
NSN 6220-01-533-1302
NSN 4140-01-555-7788
NSN 5999-01-200-8318
NSN 5999-01-267-7168
NSN 6220-00-435-5867