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 5920-01-141-1741
NSN 5990-01-191-1772
NSN 6240-01-510-9299
NSN 6320-01-462-3555
NSN 6650-00-921-1037
NSN 5998-01-216-5172
NSN 6220-01-201-1489
NSN 5935-01-571-8584
NSN 5985-01-215-1196
NSN 5855-00-918-1622
NSN 5965-01-262-3457
NSN 5999-01-424-1707