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 5915-00-740-2923
NSN 5965-01-408-9551
NSN 5950-01-057-3255
NSN 5998-01-448-9507
NSN 6145-01-265-7159
NSN 5935-01-608-8675
NSN 5855-01-045-9728
NSN 6145-01-128-3085
NSN 5965-01-537-0023
NSN 2925-01-400-2286
NSN 5990-00-440-6532
NSN 5965-01-633-8849