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 6110-01-371-1978
NSN 5835-01-592-2350
NSN 5905-01-457-5370
NSN 5930-01-449-5298
NSN 4140-00-860-1373
NSN 5960-01-129-8504
NSN 5998-00-558-6389
NSN 6610-01-582-1876
NSN 5910-00-523-9262
NSN 7035-01-444-9249
NSN 6320-01-473-9024
NSN 6130-01-143-5157