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 5855-01-173-0808
NSN 6685-00-504-1911
NSN 5998-01-364-9751
NSN 5975-01-068-0656
NSN 5990-00-139-3155
NSN 6220-00-489-8571
NSN 6610-01-515-4967
NSN 6645-01-437-9017
NSN 5985-00-246-3875
NSN 5920-00-359-9771
NSN 5925-00-554-4114
NSN 6650-01-341-9838