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 5996-01-057-9023
NSN 5920-01-044-5621
NSN 6130-00-707-5931
NSN 5990-01-195-9400
NSN 6685-01-011-8085
NSN 5835-00-794-7500
NSN 2925-00-912-0580
NSN 6610-01-480-0586
NSN 5835-01-261-9878
NSN 5895-01-232-9606
NSN 6610-00-960-9135
NSN 5835-01-116-2369