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 6240-01-356-4806
NSN 5996-00-015-7355
NSN 5925-01-033-3853
NSN 6650-01-435-2994
NSN 5910-00-484-5470
NSN 5935-01-634-0668
NSN 5998-00-463-5303
NSN 2925-01-423-8141
NSN 5945-01-263-2810
NSN 6320-01-266-1612
NSN 6110-00-012-5514
NSN 6145-01-314-0102