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 6145-00-231-9762
NSN 6650-01-467-2355
NSN 6135-00-134-6648
NSN 6320-00-790-4844
NSN 6240-00-251-5235
NSN 5920-01-543-5134
NSN 6135-01-014-9755
NSN 5855-01-191-3404
NSN 5990-00-836-7962
NSN 5835-01-502-9228
NSN 6240-00-063-6392
NSN 5895-00-690-4507