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 6320-01-453-2358
NSN 6110-01-503-0450
NSN 5910-01-426-1426
NSN 5998-01-102-1403
NSN 6110-00-051-7949
NSN 6145-01-648-1491
NSN 5996-01-483-2847
NSN 5835-01-301-0022
NSN 5855-01-412-5147
NSN 6145-01-239-2674
NSN 6610-01-344-0972
NSN 2925-01-068-3844