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 6145-00-937-3536
NSN 6620-01-502-7105
NSN 5990-01-501-9094
NSN 2925-01-509-0767
NSN 5985-01-134-1177
NSN 6150-01-627-2111
NSN 6610-01-161-4835
NSN 5935-01-029-3086
NSN 5905-01-103-4705
NSN 6130-01-440-7591
NSN 6240-01-126-9167
NSN 6620-00-831-2737