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 6145-00-262-3345
NSN 5835-00-401-8655
NSN 5985-01-142-0679
NSN 4140-01-415-1187
NSN 5855-01-424-1090
NSN 5999-01-137-8847
NSN 6645-01-223-7274
NSN 6240-00-357-7976
NSN 6650-00-717-8913
NSN 5935-01-585-2236
NSN 6135-00-209-6918
NSN 5930-00-353-2105