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 6145-01-500-7935
NSN 7035-01-088-6415
NSN 6610-01-089-2487
NSN 6105-00-553-8943
NSN 5910-01-104-5927
NSN 5985-01-360-4171
NSN 4140-01-098-8706
NSN 6130-00-471-9629
NSN 5998-01-494-9375
NSN 6220-01-524-2270
NSN 2925-01-312-9502
NSN 5945-01-623-7999