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 4140-01-442-5155
NSN 5910-01-293-2205
NSN 5895-00-203-2379
NSN 5905-01-090-1007
NSN 5910-01-145-8615
NSN 6135-01-430-3119
NSN 2925-01-492-5342
NSN 5999-01-490-5835
NSN 5945-01-451-3910
NSN 5960-00-583-4902
NSN 5996-00-113-7341
NSN 5835-01-396-0640