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 4140-01-364-1684
NSN 5920-01-634-0250
NSN 5835-01-654-4570
NSN 4140-01-651-2024
NSN 5910-01-012-3997
NSN 5998-01-349-6852
NSN 6135-00-491-9864
NSN 5895-00-452-7134
NSN 6150-00-864-6782
NSN 5920-01-605-1656
NSN 5930-01-327-5060
NSN 7035-00-300-3208