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 5930-01-277-6913
NSN 5965-01-308-9338
NSN 6610-00-364-7543
NSN 5985-00-135-4762
NSN 5895-01-351-3203
NSN 6220-00-172-7641
NSN 5920-01-472-2966
NSN 6145-01-577-7776
NSN 6650-01-090-6552
NSN 5996-01-408-9796
NSN 5945-01-634-0588
NSN 5925-01-384-4915