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 6105-01-408-7537
NSN 5999-00-722-5742
NSN 5835-00-980-0468
NSN 5996-01-437-9747
NSN 6620-01-039-5468
NSN 6130-00-350-1512
NSN 6110-01-406-6324
NSN 4140-01-473-2527
NSN 6645-01-261-6903
NSN 6645-01-251-2613
NSN 5835-01-652-4959
NSN 5975-00-910-3461