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 6610-01-147-3099
NSN 5935-01-367-1819
NSN 5925-00-826-8887
NSN 5920-01-374-3802
NSN 5945-00-421-9879
NSN 5915-01-364-1116
NSN 5950-01-208-2355
NSN 5985-01-050-0604
NSN 5945-01-050-8453
NSN 5855-01-502-2789
NSN 6610-01-135-7847
NSN 7035-01-654-1480