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 5985-01-368-3913
NSN 5855-01-384-7120
NSN 5855-00-631-4565
NSN 6110-01-013-1946
NSN 4140-01-634-0330
NSN 2925-01-553-5132
NSN 5935-01-104-3952
NSN 2925-01-651-4870
NSN 5945-00-825-3206
NSN 5905-01-177-2905
NSN 5855-01-125-9167
NSN 2925-01-492-9863