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 6150-00-851-6542
NSN 6320-01-349-8077
NSN 5960-00-071-0698
NSN 6135-01-164-3561
NSN 6135-00-134-6648
NSN 5945-00-753-5127
NSN 5945-01-533-1306
NSN 5835-01-441-4746
NSN 6105-00-163-0147
NSN 5945-01-091-0281
NSN 5965-01-488-4332
NSN 5910-00-870-9906