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.
NSN 5935-01-400-5949
NSN 5945-00-341-8018
NSN 6620-00-269-8950
NSN 5950-01-395-3753
NSN 5960-01-416-6187
NSN 6135-00-906-0984
NSN 6130-01-344-4827
NSN 5998-01-650-6068
NSN 6610-00-155-1334
NSN 6685-01-178-0979
NSN 5895-01-659-5965
NSN 2925-01-518-9038