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 6645-01-418-1657
NSN 6320-01-547-9877
NSN 5925-01-435-5869
NSN 5895-01-075-3998
NSN 6645-00-216-6126
NSN 5945-00-974-7767
NSN 5920-00-937-3713
NSN 4140-01-331-8305
NSN 6240-01-508-6446
NSN 5950-01-464-9962
NSN 6220-01-521-7978
NSN 6645-01-317-6071