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 6320-01-476-0686
NSN 5910-01-342-3499
NSN 5935-01-432-2486
NSN 5999-00-812-9253
NSN 5999-01-383-7253
NSN 6110-01-573-7132
NSN 6320-00-036-3688
NSN 5975-01-361-9141
NSN 5998-00-469-3404
NSN 5998-00-897-8999
NSN 6110-01-425-1449
NSN 6150-01-506-2855