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 6145-00-911-9245
NSN 5855-00-494-9581
NSN 6620-00-137-0332
NSN 5835-01-506-0746
NSN 5930-01-005-0409
NSN 5975-01-263-3775
NSN 5895-01-323-3476
NSN 5920-00-670-4674
NSN 6620-01-200-8176
NSN 5930-01-406-3203
NSN 5930-01-493-2129
NSN 6130-01-363-1965