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 5965-01-408-9551
NSN 5985-01-224-7522
NSN 6645-01-283-5387
NSN 6110-00-455-9881
NSN 5975-00-781-6473
NSN 5975-01-572-6547
NSN 6620-01-442-7951
NSN 5965-01-492-9344
NSN 6220-01-199-0794
NSN 5950-00-637-6131
NSN 5975-01-509-0714
NSN 6645-01-265-0648