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 6145-01-409-1685
NSN 6220-00-205-2040
NSN 5945-01-322-7570
NSN 2925-01-244-3016
NSN 5960-00-067-5784
NSN 6320-01-255-2096
NSN 6150-00-265-7799
NSN 5855-00-004-0904
NSN 5915-01-558-2863
NSN 5999-01-445-3414
NSN 5950-00-013-1236
NSN 5920-00-305-2867