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 5960-00-253-7815
NSN 5915-01-468-5518
NSN 6135-00-062-5080
NSN 6145-00-357-5010
NSN 6130-01-349-0564
NSN 5945-01-178-2676
NSN 5895-01-237-5065
NSN 6105-00-242-1221
NSN 5855-00-004-0904
NSN 6135-01-586-9728
NSN 6650-01-586-6297
NSN 5965-01-267-8536