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 6620-01-508-7902
NSN 5835-00-315-3797
NSN 5895-01-264-0416
NSN 6130-00-409-2399
NSN 6110-00-657-4739
NSN 6320-01-441-2438
NSN 5930-01-334-1557
NSN 5910-01-258-7094
NSN 6610-01-300-4537
NSN 5998-00-321-8486
NSN 5910-00-009-4744
NSN 6650-01-490-3811