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 2925-00-168-9966
NSN 2925-01-004-5627
NSN 4140-01-126-4891
NSN 5950-00-085-9082
NSN 5895-00-153-2595
NSN 5950-01-483-8674
NSN 5915-01-275-0774
NSN 5835-01-282-9768
NSN 5915-00-130-9099
NSN 5895-01-488-3216
NSN 7035-00-803-3056
NSN 5945-00-673-9135