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 5920-00-879-3617
NSN 5998-00-550-7387
NSN 5960-00-297-7099
NSN 5925-01-431-8886
NSN 6610-01-445-2789
NSN 6650-00-677-2577
NSN 5965-00-469-5009
NSN 6110-00-443-9624
NSN 5998-00-892-2200
NSN 5935-01-622-9840
NSN 5945-00-079-0382
NSN 6220-00-394-5762