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 6240-01-133-4085
NSN 4140-00-836-2948
NSN 6610-00-248-1559
NSN 6240-01-486-0255
NSN 5996-00-272-2560
NSN 6240-01-227-4178
NSN 5935-00-155-4662
NSN 6645-01-466-0185
NSN 6150-00-332-8332
NSN 6650-00-068-2208
NSN 5985-01-586-4803
NSN 6220-01-510-4948