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 5990-01-176-9731
NSN 7035-01-091-1929
NSN 5950-01-337-3403
NSN 5920-01-458-7448
NSN 6650-01-395-5335
NSN 5960-00-118-1126
NSN 6130-01-129-9243
NSN 6645-01-588-5591
NSN 6620-00-426-6884
NSN 5990-00-369-5212
NSN 5835-00-617-3578
NSN 5920-01-433-6817