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 5999-01-191-7709
NSN 6110-01-590-3947
NSN 6320-01-185-3857
NSN 6610-01-645-7515
NSN 6150-01-112-1811
NSN 6135-00-262-6807
NSN 6240-01-020-3440
NSN 4140-01-028-0629
NSN 5975-01-478-7323
NSN 6105-01-068-8143
NSN 5960-01-609-6565
NSN 5945-01-461-8394