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 6220-01-654-5752
NSN 6130-01-376-6939
NSN 6110-00-202-2990
NSN 6105-01-407-7139
NSN 5925-00-929-7718
NSN 5925-00-891-1674
NSN 6240-01-513-9642
NSN 6130-01-579-3738
NSN 5835-01-090-0784
NSN 5999-01-524-0554
NSN 5935-01-334-2565
NSN 6610-01-442-2213