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 6130-01-302-5463
NSN 5925-00-542-9637
NSN 6105-01-042-6633
NSN 5925-00-391-5362
NSN 5910-01-468-9754
NSN 6320-01-323-7565
NSN 6150-01-264-2146
NSN 6105-00-900-4143
NSN 6135-01-268-2152
NSN 6220-00-289-9915
NSN 5945-00-097-5896
NSN 5930-01-146-4489