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 5855-00-411-8688
NSN 5855-00-586-6255
NSN 6620-01-335-5776
NSN 4140-00-472-4615
NSN 5925-00-450-6275
NSN 6240-00-912-5186
NSN 5920-00-518-1789
NSN 5935-01-459-7568
NSN 5950-01-504-1230
NSN 5985-01-535-2439
NSN 6650-01-263-3530
NSN 6150-01-055-1981