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 6610-01-224-7247
NSN 6650-01-605-2302
NSN 5985-01-420-6536
NSN 5935-01-432-6279
NSN 2925-01-398-6751
NSN 6150-00-335-7189
NSN 5915-00-160-3834
NSN 6135-01-381-4675
NSN 6130-01-360-8488
NSN 5975-00-253-4198
NSN 6130-01-574-5811
NSN 6620-01-186-4374