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 5905-01-369-7503
NSN 5950-00-958-6706
NSN 5950-01-602-3025
NSN 4140-01-502-9649
NSN 5965-00-894-0015
NSN 5855-01-444-9182
NSN 6105-01-091-9985
NSN 5895-01-634-0630
NSN 5996-01-322-0021
NSN 6135-01-461-2567
NSN 5990-01-626-2818
NSN 6645-01-224-8973