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 6620-01-435-2784
NSN 5930-01-391-6861
NSN 7035-01-062-1692
NSN 6135-01-329-7994
NSN 6130-00-243-5284
NSN 6240-00-522-3998
NSN 5920-01-534-8673
NSN 5950-00-505-5777
NSN 7035-01-553-2894
NSN 6135-00-318-8359
NSN 5960-01-128-0850
NSN 5985-01-435-4425