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 4140-00-526-4505
NSN 6320-01-547-9877
NSN 2925-00-231-8041
NSN 6320-00-779-5923
NSN 6105-01-104-5214
NSN 4140-00-242-6465
NSN 5990-01-328-9846
NSN 5935-01-226-4777
NSN 5925-01-525-5332
NSN 5835-00-315-3797
NSN 6150-01-215-7951
NSN 5998-01-657-5253