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 6610-01-447-1082
NSN 5965-01-600-5515
NSN 6135-01-156-4627
NSN 5925-01-239-8536
NSN 6110-00-412-2305
NSN 6645-00-888-5820
NSN 6145-01-645-9220
NSN 5960-01-076-4708
NSN 5975-01-396-1599
NSN 6220-01-047-7046
NSN 6645-01-423-7760
NSN 6150-01-264-7933