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 5996-00-707-5635
NSN 5920-01-634-0250
NSN 6130-01-599-2982
NSN 6145-01-513-9750
NSN 5855-01-521-1922
NSN 5915-01-286-7771
NSN 5855-01-223-0833
NSN 6610-00-244-2816
NSN 6130-01-342-5857
NSN 6220-01-143-5761
NSN 5998-01-084-9123
NSN 6105-01-400-4194