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 4140-00-133-1780
NSN 5985-01-448-1770
NSN 4140-00-226-9807
NSN 5915-01-235-2144
NSN 5998-00-392-0494
NSN 6145-00-791-9820
NSN 6130-00-960-9158
NSN 5835-01-085-5487
NSN 7035-01-088-6415
NSN 6150-01-570-9293
NSN 6150-01-392-6750
NSN 6240-01-599-2679