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 6110-00-804-4830
NSN 5915-01-179-8585
NSN 5996-00-981-5477
NSN 5990-00-274-3225
NSN 5990-01-367-9168
NSN 5920-01-381-3115
NSN 5895-00-620-9923
NSN 4140-00-830-9515
NSN 6220-01-481-7056
NSN 5998-01-371-3901
NSN 7035-01-145-5059
NSN 6320-01-516-3836