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 5999-00-860-9642
NSN 5965-01-340-3723
NSN 5855-01-110-9564
NSN 5915-00-686-6687
NSN 6110-00-476-1215
NSN 5950-00-451-6008
NSN 6650-00-910-2708
NSN 6145-01-653-6103
NSN 5998-01-272-9572
NSN 5935-01-422-9130
NSN 5960-01-163-8905
NSN 5960-00-809-9944