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 5920-00-004-4005
NSN 5855-01-308-0955
NSN 5945-01-447-2622
NSN 5998-01-419-6950
NSN 6240-00-478-3858
NSN 6240-00-306-9214
NSN 5905-01-012-1823
NSN 4140-01-523-1023
NSN 6240-01-345-4479
NSN 6110-01-503-0450
NSN 5910-01-592-0009
NSN 5915-01-540-9757