A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6650-00-186-5966
NSN 6240-01-446-3173
NSN 6130-00-011-0714
NSN 6105-00-287-8971
NSN 5925-01-278-8509
NSN 6110-00-717-2773
NSN 5965-01-394-8917
NSN 6105-01-008-6332
NSN 5895-01-364-1017
NSN 5930-01-396-4632
NSN 5945-01-240-8062
NSN 5960-01-266-9520