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 5975-01-648-2452
NSN 6145-01-435-0941
NSN 5998-01-024-1630
NSN 5945-01-556-7258
NSN 5960-01-483-7769
NSN 6135-00-500-2082
NSN 5895-01-362-3565
NSN 5965-01-502-3030
NSN 5855-01-459-7508
NSN 6135-01-247-5660
NSN 5985-01-514-6333
NSN 6150-00-078-7064