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 5835-01-434-0790
NSN 5990-00-912-9166
NSN 5998-01-290-3913
NSN 5935-01-564-7671
NSN 6135-00-351-8606
NSN 5935-01-165-5827
NSN 5915-01-565-0934
NSN 5965-01-145-3732
NSN 5965-01-303-6105
NSN 6150-01-322-8430
NSN 5950-00-853-9086
NSN 6130-01-205-6975