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 5945-00-394-0311
NSN 5905-01-290-3750
NSN 5950-00-526-0658
NSN 5999-01-045-4155
NSN 5945-00-468-6465
NSN 6105-01-487-3992
NSN 6650-01-155-8182
NSN 5990-01-573-1634
NSN 5996-01-219-6675
NSN 5920-00-254-8429
NSN 5930-00-187-5146
NSN 6150-00-157-5988