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 4140-01-306-2675
NSN 4140-00-001-8404
NSN 7035-01-163-3667
NSN 6105-00-280-2808
NSN 5935-00-798-3411
NSN 5930-01-623-7858
NSN 6150-00-104-4572
NSN 5950-01-382-8209
NSN 5915-01-029-5938
NSN 5999-00-518-2817
NSN 5835-01-121-2098
NSN 6620-01-026-7371