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 6620-00-470-3219
NSN 6145-00-705-6686
NSN 6685-01-442-9036
NSN 5895-01-289-1227
NSN 5945-01-476-1668
NSN 5960-01-444-2205
NSN 6240-01-359-4288
NSN 5950-00-424-9646
NSN 6150-00-120-0821
NSN 5999-01-596-0274
NSN 6240-01-483-8069
NSN 5945-00-234-9285