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 5975-00-655-4103
NSN 6685-01-364-8273
NSN 6240-01-354-7863
NSN 5985-00-992-4511
NSN 5975-01-431-9730
NSN 5945-01-012-3610
NSN 5999-00-117-4567
NSN 5935-00-771-7667
NSN 6620-00-223-6753
NSN 6320-01-487-0336
NSN 5930-00-409-1639
NSN 5920-01-490-2733