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 5920-01-423-8410
NSN 6650-01-207-0829
NSN 5998-01-224-2365
NSN 6110-01-476-0983
NSN 7035-01-627-2206
NSN 6145-01-428-1682
NSN 6645-01-064-3711
NSN 5985-01-067-7628
NSN 5998-01-078-1888
NSN 6145-00-445-7839
NSN 5895-01-492-5777
NSN 5985-01-634-0635