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 5930-00-716-1484
NSN 5950-01-317-2493
NSN 5925-00-018-3225
NSN 6650-01-172-5502
NSN 5960-00-331-7365
NSN 5935-00-968-4972
NSN 5965-00-468-3071
NSN 5965-01-141-6485
NSN 6105-01-384-3687
NSN 5935-00-331-2187
NSN 5855-01-543-5011
NSN 4140-00-779-4876