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 6220-01-161-6439
NSN 5910-01-327-1738
NSN 5935-01-212-4460
NSN 6240-01-469-5719
NSN 6685-01-628-0225
NSN 5965-01-450-2187
NSN 4140-01-192-6528
NSN 6105-00-920-3417
NSN 5925-00-262-6087
NSN 5915-01-422-2014
NSN 6105-00-204-9342
NSN 5920-00-621-6601