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 5925-01-364-2496
NSN 5950-00-065-0774
NSN 6620-01-103-7508
NSN 5996-01-208-5045
NSN 5999-00-060-1757
NSN 6110-01-395-1727
NSN 5990-01-633-9503
NSN 6610-01-044-4740
NSN 5960-01-406-3672
NSN 5835-01-109-4775
NSN 6135-00-255-1340
NSN 5950-01-017-3044