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 5985-01-451-4765
NSN 6685-01-081-7522
NSN 6610-00-935-7131
NSN 5965-00-973-9974
NSN 5999-01-145-5084
NSN 5950-01-292-8805
NSN 5996-01-633-7979
NSN 4140-00-273-9884
NSN 5950-01-518-8186
NSN 5950-00-601-9591
NSN 5835-01-362-0305
NSN 5999-01-196-5273