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 5960-01-507-9112
NSN 5945-01-622-7286
NSN 6645-01-307-3205
NSN 5925-01-014-7183
NSN 6320-01-176-8367
NSN 6110-01-178-0814
NSN 6240-01-540-7734
NSN 5975-00-919-2125
NSN 6130-00-889-5852
NSN 5990-01-287-1682
NSN 6240-01-584-4297
NSN 5999-00-633-0394