A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6650-01-064-4975
NSN 6145-01-428-7754
NSN 5990-00-202-5127
NSN 7035-01-252-1539
NSN 5905-00-687-0989
NSN 6620-01-433-7952
NSN 6135-01-255-9129
NSN 6650-01-363-0963
NSN 6650-01-114-4663
NSN 5930-00-642-9974
NSN 5930-01-141-7018
NSN 7035-01-068-4175