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 7035-01-505-5979
NSN 5945-01-535-1604
NSN 4140-01-445-5945
NSN 6650-01-608-2240
NSN 6650-01-212-3964
NSN 5998-00-443-3533
NSN 5945-00-232-3260
NSN 5975-01-657-7787
NSN 5999-01-336-6891
NSN 5835-00-518-4507
NSN 7035-01-554-7947
NSN 6105-00-021-7462