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 6150-00-628-3277
NSN 6320-01-652-3806
NSN 5835-00-372-3736
NSN 6220-00-883-5167
NSN 4140-01-400-3610
NSN 5965-01-419-4202
NSN 5999-00-902-2625
NSN 5975-01-320-2760
NSN 4140-01-485-0083
NSN 5960-01-481-8051
NSN 5905-01-128-1035
NSN 5965-01-288-0721