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 6240-00-269-3346
NSN 6240-00-723-3378
NSN 6150-01-504-0457
NSN 5985-01-595-0471
NSN 6110-01-549-7019
NSN 6320-01-054-3046
NSN 5999-01-345-2837
NSN 6145-01-589-6829
NSN 5975-00-253-4198
NSN 5945-00-586-7678
NSN 2925-01-522-5631
NSN 5990-01-625-5923