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 6320-00-284-1524
NSN 5945-01-285-4514
NSN 5998-00-777-4417
NSN 5925-01-473-4287
NSN 5855-01-388-6837
NSN 5950-01-104-5239
NSN 4140-00-267-6998
NSN 6650-01-340-6720
NSN 5950-01-249-3415
NSN 5855-01-601-8145
NSN 6145-01-067-4662
NSN 4140-01-241-3697