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 5915-00-504-6140
NSN 5855-01-486-9924
NSN 6685-01-471-6484
NSN 5835-00-829-0670
NSN 5895-01-532-7441
NSN 6645-01-222-5468
NSN 5895-01-547-8941
NSN 5985-01-335-8514
NSN 5975-01-154-2804
NSN 5920-01-161-8120
NSN 6320-01-462-2295
NSN 5960-00-062-1399