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 5920-01-323-7645
NSN 5930-01-068-0997
NSN 5945-00-421-6401
NSN 5930-01-471-8460
NSN 5930-00-266-8175
NSN 5950-01-110-1415
NSN 5930-00-935-4539
NSN 5905-00-985-6448
NSN 6645-01-473-9179
NSN 5930-01-128-9055
NSN 6105-01-032-4706
NSN 5895-01-580-6434