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 5920-01-573-6166
NSN 6320-01-416-9357
NSN 6240-01-246-8213
NSN 5945-01-359-6337
NSN 5960-01-131-4086
NSN 6135-00-906-0984
NSN 6145-00-625-0714
NSN 6130-00-541-8468
NSN 6130-00-948-6949
NSN 5996-01-633-7979
NSN 5930-01-156-7834
NSN 6320-00-284-1524