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 6145-01-276-5114
NSN 6240-01-188-7282
NSN 6650-01-430-7130
NSN 6105-01-454-3377
NSN 6645-01-068-6524
NSN 5910-01-197-4672
NSN 5910-00-235-4441
NSN 5998-01-634-0604
NSN 5950-01-134-2666
NSN 5960-00-636-4834
NSN 6150-01-367-6309
NSN 5975-01-369-9014