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 5998-01-027-0855
NSN 6320-01-054-3046
NSN 5835-01-615-0451
NSN 5835-00-632-8621
NSN 5999-01-552-9640
NSN 6150-00-010-9245
NSN 5905-01-419-6146
NSN 5910-00-688-9909
NSN 4140-01-339-2458
NSN 6650-00-300-6599
NSN 5999-01-215-0939
NSN 6105-00-337-3493