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 6220-01-035-7172
NSN 6130-01-137-8378
NSN 2925-00-054-3550
NSN 5990-00-226-1152
NSN 5998-01-008-2326
NSN 5935-01-425-1097
NSN 5998-01-281-8108
NSN 6240-00-985-5244
NSN 6620-00-100-4517
NSN 6150-00-758-2733
NSN 5910-00-220-3522
NSN 5920-01-497-7618