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 5895-01-588-9065
NSN 5915-01-023-8930
NSN 7035-01-080-8742
NSN 5999-01-338-1405
NSN 5990-00-281-4164
NSN 5930-01-658-6896
NSN 5920-01-500-9975
NSN 5990-01-170-6081
NSN 5915-00-223-5308
NSN 5935-00-312-5541
NSN 5998-01-029-6137
NSN 5996-00-962-1399