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 2925-01-603-6379
NSN 6610-00-296-5007
NSN 6650-00-830-7006
NSN 5835-01-654-4570
NSN 5910-01-501-6192
NSN 6320-00-164-4087
NSN 5975-01-055-0254
NSN 6135-01-334-3935
NSN 5935-01-542-6899
NSN 5835-01-632-6627
NSN 5855-01-302-9778
NSN 5930-00-925-4651