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 6320-01-652-3806
NSN 5975-01-634-0678
NSN 5950-01-027-0695
NSN 5960-00-677-0564
NSN 6220-01-484-3419
NSN 5985-01-534-6407
NSN 4140-01-323-4279
NSN 5975-01-359-4020
NSN 5895-00-721-4032
NSN 5915-01-158-8891
NSN 5930-01-150-3607
NSN 7035-01-106-3476