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 5985-01-385-0743
NSN 5905-00-794-8521
NSN 6145-01-206-3539
NSN 6110-01-315-6970
NSN 5905-01-003-3045
NSN 6240-01-391-6833
NSN 5999-01-381-1389
NSN 6130-01-049-2984
NSN 5996-00-536-7617
NSN 5920-00-824-0234
NSN 5990-01-392-5682
NSN 6610-01-387-5630