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 5998-01-502-5281
NSN 5965-00-129-9779
NSN 5935-00-446-3159
NSN 5930-01-435-8290
NSN 5990-01-522-6096
NSN 5935-01-416-4863
NSN 6645-01-432-0052
NSN 6110-01-090-0804
NSN 5999-00-122-1500
NSN 6220-00-756-5772
NSN 5960-00-148-4493
NSN 5910-01-335-8924