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 5935-01-269-2828
NSN 6135-00-461-3590
NSN 6145-00-929-0008
NSN 5945-01-441-9370
NSN 6620-01-446-6571
NSN 5975-01-634-0678
NSN 5930-01-613-0965
NSN 7035-00-135-4758
NSN 6150-01-606-9177
NSN 5895-01-206-6542
NSN 5930-01-289-0921
NSN 5835-00-665-3395