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 5835-01-502-9228
NSN 6610-00-906-0821
NSN 5999-01-298-3609
NSN 2925-01-614-3634
NSN 4140-00-926-4242
NSN 5996-00-355-8517
NSN 6135-01-595-4779
NSN 5945-01-157-0686
NSN 6145-01-146-5555
NSN 6240-00-196-4518
NSN 5950-01-302-2040
NSN 6105-00-826-1359