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 5950-01-634-0677
NSN 6320-00-894-1644
NSN 6150-01-392-4224
NSN 6105-00-411-3080
NSN 5935-01-620-6514
NSN 7035-00-500-7839
NSN 6135-00-274-4037
NSN 5965-01-468-5583
NSN 6610-01-408-1134
NSN 6620-00-257-2783
NSN 5965-01-453-0769
NSN 5990-01-652-7373