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 6110-00-226-1753
NSN 5925-01-392-1886
NSN 2925-01-570-2562
NSN 5998-01-463-2081
NSN 5925-01-028-4085
NSN 5975-01-459-8112
NSN 5945-01-346-2982
NSN 5998-00-199-4968
NSN 5996-01-486-9030
NSN 5920-00-466-3950
NSN 5965-01-610-2948
NSN 6240-01-084-1517