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 6145-01-138-4252
NSN 5998-00-780-2993
NSN 5996-01-495-0763
NSN 5905-00-830-3074
NSN 5950-00-933-9195
NSN 6110-01-501-2359
NSN 6150-01-337-8799
NSN 7035-01-528-6900
NSN 5930-00-518-4790
NSN 5835-00-827-1904
NSN 4140-01-458-7041
NSN 6110-01-252-5439