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 5999-00-476-4340
NSN 5960-01-382-8772
NSN 5960-00-023-5613
NSN 2925-01-057-6993
NSN 5895-01-530-4742
NSN 5915-01-265-8357
NSN 5835-01-087-1673
NSN 6135-01-041-3829
NSN 6240-01-383-8579
NSN 5920-01-634-0250
NSN 5998-01-268-0841
NSN 6220-01-476-9371