An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5999-01-215-6877
NSN 6220-00-244-2040
NSN 6620-01-326-0715
NSN 5945-01-595-9695
NSN 6105-00-472-3808
NSN 6320-01-308-0009
NSN 5990-00-488-1091
NSN 6150-00-776-2738
NSN 5935-01-522-7198
NSN 5920-00-164-4872
NSN 5905-01-327-4312
NSN 5935-01-020-6457