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 6110-01-091-9703
NSN 5996-00-220-9414
NSN 2925-00-899-4261
NSN 5915-00-455-2076
NSN 6145-01-646-7595
NSN 5950-00-790-7014
NSN 6220-01-126-0370
NSN 5945-00-761-8700
NSN 6650-01-599-9849
NSN 6240-00-908-5069
NSN 6620-01-147-0441
NSN 5950-00-630-0377