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 5920-01-370-3448
NSN 6645-01-023-8724
NSN 6130-01-379-3834
NSN 6685-01-216-7164
NSN 5950-01-336-1784
NSN 5945-01-091-2544
NSN 6610-00-578-6790
NSN 6130-01-464-0628
NSN 5835-01-514-5758
NSN 5855-01-537-1162
NSN 6145-01-253-9898
NSN 6240-01-516-0634