A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5930-00-257-5758
NSN 5999-01-328-0524
NSN 6110-01-192-0518
NSN 2925-01-372-9455
NSN 6150-01-365-9597
NSN 6135-00-377-9165
NSN 5925-01-634-0664
NSN 5910-00-885-0489
NSN 5915-01-349-1885
NSN 6620-01-155-6564
NSN 6650-00-834-9062
NSN 5985-01-026-2074