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 5975-01-064-5861
NSN 5915-01-464-4926
NSN 5985-00-715-5578
NSN 6105-00-450-7657
NSN 5999-00-258-9797
NSN 5920-00-012-0151
NSN 5915-01-581-9472
NSN 5895-01-548-5563
NSN 5996-01-090-6990
NSN 6105-01-488-4917
NSN 5975-00-872-7532
NSN 6610-01-014-3964