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 5920-01-137-0068
NSN 6685-00-194-9803
NSN 5945-01-572-8723
NSN 4140-01-043-8556
NSN 5998-01-217-3348
NSN 6320-00-937-5625
NSN 5935-00-280-3116
NSN 5935-01-417-3009
NSN 5945-01-614-0484
NSN 6650-00-011-3435
NSN 5930-01-541-5565
NSN 6610-01-354-7963