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 5920-01-599-2455
NSN 6320-01-176-8367
NSN 6150-01-394-5915
NSN 4140-01-198-5652
NSN 5895-01-463-7406
NSN 5925-00-617-2994
NSN 6620-00-915-0868
NSN 6145-01-147-9837
NSN 6320-00-564-2772
NSN 5915-01-306-3666
NSN 5930-00-191-6133
NSN 6650-01-589-3585