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 5999-00-639-3447
NSN 2925-00-891-9289
NSN 2925-01-587-3956
NSN 5996-01-633-7979
NSN 5965-01-152-9004
NSN 5960-00-863-6035
NSN 5935-00-248-3549
NSN 5960-01-452-1907
NSN 6240-01-310-8598
NSN 5965-01-063-7894
NSN 5965-01-296-8991
NSN 5910-01-429-8785