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 4140-01-634-0330
NSN 5990-00-907-9230
NSN 6320-01-399-1633
NSN 6110-00-493-4774
NSN 5999-00-105-5515
NSN 5835-01-471-2861
NSN 6145-00-643-4962
NSN 6610-00-172-3966
NSN 6240-01-484-4288
NSN 5950-00-532-3074
NSN 5930-01-024-9277
NSN 5950-01-568-2118