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 5998-00-053-3122
NSN 5910-01-545-6350
NSN 6620-01-339-5524
NSN 5999-01-411-4994
NSN 5855-01-112-7725
NSN 5950-00-258-4445
NSN 6610-00-996-2566
NSN 6150-00-895-3427
NSN 6135-01-193-8154
NSN 6145-01-133-9593
NSN 5985-01-472-0643
NSN 6320-00-295-2854