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 6645-00-503-1379
NSN 5950-01-331-5278
NSN 5925-00-687-0279
NSN 6135-01-202-8113
NSN 5965-01-398-9579
NSN 5945-01-458-8867
NSN 5999-01-202-2935
NSN 6240-00-964-3728
NSN 5910-00-449-1790
NSN 6110-01-503-0186
NSN 6220-01-310-8741
NSN 5950-01-403-2852