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 6145-01-540-9226
NSN 5920-00-529-0618
NSN 5935-01-062-0566
NSN 5950-01-561-6177
NSN 5920-00-579-8434
NSN 5985-01-607-5526
NSN 6150-00-813-9422
NSN 5975-01-227-2722
NSN 5950-00-058-2668
NSN 6110-00-718-2264
NSN 5975-00-200-2002
NSN 5910-01-495-5184