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 5910-01-581-2470
NSN 5920-01-433-1668
NSN 5990-00-010-8186
NSN 5999-01-237-6638
NSN 5975-01-089-7153
NSN 5915-01-146-1300
NSN 5999-01-644-6508
NSN 5925-01-232-3928
NSN 4140-01-328-1948
NSN 5920-00-968-6370
NSN 5915-00-862-6706
NSN 6650-01-244-1573