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 5920-00-818-4186
NSN 5920-00-730-8541
NSN 7035-01-116-6223
NSN 5935-00-816-0675
NSN 5915-00-257-3178
NSN 6145-01-532-4764
NSN 6150-00-874-3077
NSN 6135-00-681-2702
NSN 6320-00-894-1644
NSN 5930-01-559-2930
NSN 6685-01-089-8141
NSN 5975-01-634-0678