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 4140-01-110-7685
NSN 5930-00-727-4392
NSN 5960-01-094-5958
NSN 6650-00-839-2527
NSN 6240-01-032-9952
NSN 5990-00-226-1152
NSN 6130-01-097-6363
NSN 5915-00-807-8547
NSN 5998-00-345-7637
NSN 5930-01-512-8617
NSN 5990-01-633-9503
NSN 6685-00-273-8733