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 5975-01-314-8118
NSN 5855-00-135-9064
NSN 5920-01-534-6064
NSN 5990-01-164-8673
NSN 6220-01-443-3028
NSN 7035-01-435-7962
NSN 6135-00-686-4777
NSN 6240-00-614-9679
NSN 6650-01-060-3628
NSN 5930-00-402-9133
NSN 5999-01-449-7568
NSN 6220-01-025-6140