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 5920-01-520-9651
NSN 5910-01-070-8465
NSN 6105-01-490-2544
NSN 6620-01-004-2738
NSN 5895-01-316-0869
NSN 5985-01-567-4288
NSN 6645-00-226-2270
NSN 6645-00-551-8291
NSN 5998-01-509-3137
NSN 6150-01-388-2421
NSN 5835-01-162-8353
NSN 6650-01-143-1116