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 5998-00-398-0021
NSN 6610-00-437-5681
NSN 6145-01-045-4405
NSN 6130-00-790-7301
NSN 5945-00-623-9329
NSN 5945-00-927-9858
NSN 5960-01-116-2092
NSN 5930-00-877-5919
NSN 5855-01-607-6521
NSN 5985-01-316-7385
NSN 5996-00-196-7258
NSN 5930-01-574-2153