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 5905-01-425-6120
NSN 6220-00-450-4356
NSN 5945-01-367-1816
NSN 5965-00-080-2045
NSN 5930-01-182-0712
NSN 5935-00-275-7862
NSN 6320-00-564-2772
NSN 5960-01-456-1735
NSN 6135-01-492-5717
NSN 6110-01-189-6276
NSN 5999-00-501-7476
NSN 5950-01-309-9802