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 5920-01-271-2304
NSN 6145-00-881-1485
NSN 6135-01-432-1002
NSN 5835-01-178-4154
NSN 6110-01-421-4449
NSN 5835-00-233-6327
NSN 5930-00-296-9940
NSN 5895-00-484-5977
NSN 6145-01-264-9199
NSN 5935-01-364-0521
NSN 6320-01-219-5174
NSN 6610-01-056-1335