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 6135-01-579-3534
NSN 5996-01-487-6811
NSN 5905-00-012-1806
NSN 5965-01-633-8849
NSN 4140-01-516-6684
NSN 5998-01-515-7441
NSN 5996-01-121-0113
NSN 5935-01-512-0052
NSN 6135-00-369-2368
NSN 6620-00-181-2605
NSN 5935-01-634-0668
NSN 4140-01-214-6380