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 5965-00-844-9778
NSN 5895-01-634-0630
NSN 5925-01-206-9991
NSN 6150-01-450-2874
NSN 4140-01-334-6419
NSN 5935-00-597-5055
NSN 5835-01-180-1400
NSN 6145-01-545-1968
NSN 6240-00-948-6652
NSN 2925-01-019-6145
NSN 6150-01-544-4867
NSN 6110-01-434-4547