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.
NSN 6130-01-450-4642
NSN 5930-00-224-2748
NSN 5930-01-216-2030
NSN 6220-00-196-2949
NSN 5895-01-065-1659
NSN 5930-01-400-6126
NSN 6620-00-379-2856
NSN 6620-01-384-2105
NSN 2925-01-014-0118
NSN 5950-01-369-9021
NSN 6130-01-169-6716
NSN 5998-01-125-7345