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 4140-00-293-3619
NSN 5935-00-475-7697
NSN 6150-01-249-3544
NSN 5920-01-646-0543
NSN 5915-00-810-0164
NSN 5920-01-164-8260
NSN 5920-01-080-7212
NSN 5975-01-326-7195
NSN 5996-01-433-9067
NSN 5998-01-293-6617
NSN 5960-01-523-9098
NSN 6105-00-664-1292