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 5998-01-579-9429
NSN 6610-01-287-8559
NSN 6650-01-369-1650
NSN 5999-01-108-9332
NSN 5835-00-513-9680
NSN 5920-01-554-0891
NSN 6610-00-305-5447
NSN 6150-01-098-9609
NSN 6105-01-319-8175
NSN 6220-01-355-0012
NSN 6145-00-679-6470
NSN 7035-01-107-2811