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 5985-01-600-5053
NSN 5950-01-474-7903
NSN 6110-00-113-1415
NSN 6110-00-562-3363
NSN 5920-01-254-2267
NSN 5996-01-400-3558
NSN 6240-01-287-1328
NSN 6220-01-600-0257
NSN 6320-00-841-2279
NSN 4140-00-061-8702
NSN 5935-01-004-1541
NSN 5998-01-276-4662