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 6240-00-578-7894
NSN 5950-00-043-2077
NSN 5935-01-251-6723
NSN 6320-01-125-3361
NSN 5915-01-289-1187
NSN 5965-01-121-6135
NSN 6320-01-141-3791
NSN 6620-01-492-8470
NSN 5985-00-202-1104
NSN 6145-01-406-5051
NSN 5855-01-521-0266
NSN 5960-00-448-7514