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 5935-00-707-1168
NSN 6620-01-218-6203
NSN 5930-01-306-8910
NSN 5985-00-425-6156
NSN 5895-00-420-1384
NSN 5935-00-912-2331
NSN 5910-01-218-5987
NSN 6620-00-113-5900
NSN 5920-00-821-0078
NSN 5999-00-450-4852
NSN 5895-00-016-4455
NSN 7035-01-365-9610