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 4140-01-392-2107
NSN 5920-01-474-8172
NSN 6650-00-084-4258
NSN 4140-01-651-6462
NSN 5960-01-088-6553
NSN 5990-01-582-1977
NSN 6150-01-212-9010
NSN 5855-01-203-4719
NSN 6150-01-391-7735
NSN 5920-01-418-1821
NSN 4140-00-943-7434
NSN 6620-01-425-2750