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 5999-01-360-4742
NSN 5930-01-381-1059
NSN 5985-00-979-5930
NSN 6220-01-435-3457
NSN 6620-00-770-9794
NSN 5950-00-959-7488
NSN 6110-01-381-1269
NSN 6145-00-042-3800
NSN 4140-01-541-0303
NSN 6650-01-325-3747
NSN 4140-01-350-8723
NSN 6620-00-553-8988