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 6620-00-338-2515
NSN 5965-01-580-7754
NSN 5985-01-237-2570
NSN 5975-00-913-3170
NSN 5998-01-242-8313
NSN 5996-01-342-3829
NSN 5855-01-042-7990
NSN 5910-00-072-7647
NSN 5950-00-269-4805
NSN 5945-01-156-0242
NSN 5945-00-148-8285
NSN 4140-01-512-0744