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 5950-01-634-0677
NSN 6620-00-690-5927
NSN 5990-00-949-8451
NSN 5965-01-068-2714
NSN 5985-00-734-7479
NSN 6135-01-490-0278
NSN 5975-01-508-1593
NSN 5945-01-168-1829
NSN 6240-00-146-9322
NSN 6105-01-359-2962
NSN 5910-01-568-1814
NSN 5985-01-591-2904