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 6320-00-456-0836
NSN 6650-00-432-9263
NSN 6150-00-220-5105
NSN 5990-01-206-3606
NSN 5996-01-633-7979
NSN 5835-00-933-9609
NSN 5935-01-473-8866
NSN 6145-01-190-6491
NSN 6320-00-688-9983
NSN 6685-01-612-9572
NSN 5965-00-568-5802
NSN 6645-01-447-4139