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 6645-01-416-6267
NSN 5855-01-335-8907
NSN 6240-01-469-5719
NSN 5950-01-386-7182
NSN 5930-01-604-9220
NSN 5945-00-349-5254
NSN 6145-01-011-8251
NSN 5920-00-689-5656
NSN 5996-00-421-5340
NSN 5895-00-185-4543
NSN 6150-01-200-6553
NSN 4140-00-810-9330