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 6645-01-019-7686
NSN 6150-00-566-6336
NSN 5855-01-495-1111
NSN 7035-01-045-7202
NSN 5998-01-587-9318
NSN 4140-01-572-8983
NSN 5935-01-200-7423
NSN 6320-00-070-4544
NSN 6150-01-613-0185
NSN 5835-01-100-3265
NSN 6620-01-361-7775
NSN 5996-01-307-4403