A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5960-01-274-7628
NSN 6150-01-364-1537
NSN 6650-01-422-1037
NSN 4140-00-406-4369
NSN 5945-00-964-5358
NSN 5998-01-370-8156
NSN 6110-01-261-4980
NSN 5935-01-568-1888
NSN 5910-00-618-9927
NSN 6685-01-023-8731
NSN 6240-01-130-1505
NSN 6105-01-372-2979