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 6220-00-804-3598
NSN 6220-00-925-0522
NSN 5960-00-813-2518
NSN 5990-01-463-2279
NSN 5915-01-303-0561
NSN 5910-00-173-5874
NSN 6620-01-552-0524
NSN 5950-01-196-4164
NSN 6650-00-155-8431
NSN 5855-01-633-4848
NSN 6610-01-247-1798
NSN 5999-01-436-5986