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 5996-01-633-7979
NSN 5905-01-537-0402
NSN 5925-00-532-1112
NSN 6110-01-442-5601
NSN 6135-01-388-2761
NSN 5965-00-802-0060
NSN 6650-00-819-1165
NSN 6135-01-297-1616
NSN 5915-01-432-0324
NSN 6145-01-499-2860
NSN 6610-01-579-2675
NSN 5930-00-912-7538