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 6135-00-613-1068
NSN 6645-00-372-2618
NSN 6220-00-102-9683
NSN 5998-01-615-8051
NSN 5835-01-599-0649
NSN 6685-01-252-4255
NSN 5950-00-461-1522
NSN 5835-01-014-4574
NSN 6145-00-358-6700
NSN 5935-01-480-1285
NSN 5895-01-406-3482
NSN 5950-01-025-9918