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 6110-01-246-2263
NSN 5920-00-430-3166
NSN 5835-00-912-5656
NSN 6150-01-445-6078
NSN 5910-00-145-5754
NSN 6610-00-967-3054
NSN 7035-01-082-0311
NSN 6105-01-463-2387
NSN 5975-01-209-3183
NSN 4140-01-337-5556
NSN 6150-01-123-3634
NSN 5935-00-965-7154