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 6110-01-437-6430
NSN 4140-01-486-2839
NSN 6620-01-223-8530
NSN 6650-01-003-9355
NSN 5930-00-477-2558
NSN 5895-00-246-4415
NSN 6130-01-004-8977
NSN 5985-01-432-2483
NSN 6150-00-805-0808
NSN 5965-01-432-1943
NSN 5920-01-383-0300
NSN 7035-00-585-2113