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 6610-01-475-1921
NSN 2925-00-265-7539
NSN 5960-01-246-4809
NSN 5895-00-383-5849
NSN 5945-00-635-7263
NSN 5985-01-443-7951
NSN 6105-01-359-5938
NSN 5998-01-634-0604
NSN 5895-00-205-2924
NSN 6110-01-659-6134
NSN 5945-00-318-5934
NSN 5925-01-365-9943