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 5975-00-293-8166
NSN 5915-00-822-9605
NSN 5950-01-646-0917
NSN 5960-01-649-1341
NSN 6320-01-435-5991
NSN 5920-01-509-1153
NSN 5975-01-570-8179
NSN 6145-01-425-7810
NSN 5990-01-322-9781
NSN 6110-01-400-4207
NSN 6610-01-039-0788
NSN 5910-01-501-5099