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 5999-01-573-8346
NSN 6320-01-029-2196
NSN 6685-01-472-8067
NSN 6620-01-474-1890
NSN 5990-01-033-7817
NSN 6105-01-472-5328
NSN 5998-01-013-2763
NSN 5905-01-400-5968
NSN 5950-00-170-6790
NSN 5999-01-253-2585
NSN 5930-00-850-9524
NSN 6150-01-420-9222