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 6685-01-603-3153
NSN 6135-01-246-0308
NSN 6220-00-364-1605
NSN 6220-00-541-2841
NSN 5915-01-307-2894
NSN 5920-00-271-3217
NSN 6240-01-411-5630
NSN 6320-00-674-1361
NSN 5935-01-092-2937
NSN 6650-00-621-4067
NSN 6620-01-446-7290
NSN 5855-01-631-2118