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 6110-00-473-2101
NSN 5855-01-579-1555
NSN 6240-00-801-8002
NSN 5960-01-425-1454
NSN 5915-00-752-4458
NSN 5965-00-527-8818
NSN 5999-00-582-0354
NSN 5960-01-178-7500
NSN 5910-01-376-6841
NSN 6620-01-420-1735
NSN 6320-01-039-5891
NSN 6145-01-351-5674