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 5930-00-597-2987
NSN 5960-01-173-7956
NSN 5915-01-513-9122
NSN 6650-00-559-1462
NSN 5920-01-462-4910
NSN 6240-01-528-4535
NSN 6320-01-512-2031
NSN 6135-01-555-4283
NSN 6135-01-560-3173
NSN 5920-01-234-5914
NSN 5990-00-521-2980
NSN 5905-01-211-8719