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 5935-01-292-7283
NSN 6220-01-396-0697
NSN 5910-01-186-9629
NSN 5920-01-132-0178
NSN 5960-01-486-8919
NSN 6240-00-519-3399
NSN 5999-01-487-3564
NSN 5990-01-595-9441
NSN 4140-00-684-7314
NSN 5930-00-269-4996
NSN 5960-01-158-9166
NSN 6145-01-454-7664