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 6130-01-250-0020
NSN 6620-01-025-3395
NSN 5945-01-334-2636
NSN 5895-01-049-8525
NSN 5960-00-170-9614
NSN 4140-00-884-7780
NSN 6130-00-547-1036
NSN 6110-00-271-9928
NSN 6150-01-647-4600
NSN 6240-01-156-0285
NSN 6320-00-809-5744
NSN 5835-00-025-9951