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 6610-00-876-7860
NSN 5950-01-332-4300
NSN 2925-01-632-5913
NSN 4140-01-658-8108
NSN 4140-00-635-9195
NSN 6240-00-125-9197
NSN 5925-01-372-7137
NSN 5996-00-866-9866
NSN 5990-00-467-7431
NSN 5835-01-201-7363
NSN 5930-01-502-7156
NSN 5935-01-323-7838