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 5998-00-189-1545
NSN 6135-00-643-4843
NSN 6110-01-180-8967
NSN 6135-01-322-4655
NSN 6135-01-130-3145
NSN 5905-01-089-0413
NSN 6110-01-450-8082
NSN 5835-00-332-8540
NSN 5935-01-464-1701
NSN 6150-01-626-1995
NSN 4140-01-457-5539
NSN 6110-01-240-5024