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 5895-01-202-1288
NSN 5915-01-566-2177
NSN 2925-01-030-3598
NSN 5998-01-179-7011
NSN 6105-00-538-2917
NSN 6135-01-400-2947
NSN 5905-01-228-9036
NSN 5910-01-327-2720
NSN 5975-00-984-4317
NSN 5999-01-422-0240
NSN 4140-01-389-2170
NSN 5910-00-831-5234