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 5945-01-640-9489
NSN 5960-00-246-4623
NSN 6320-00-422-9006
NSN 6220-01-073-7994
NSN 5855-01-057-7818
NSN 5990-01-472-2447
NSN 5855-00-869-3635
NSN 2925-01-078-7854
NSN 5925-01-535-6842
NSN 5920-01-388-3498
NSN 5990-01-276-8122
NSN 5998-01-254-4161