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 6105-00-406-3097
NSN 5998-00-241-6442
NSN 5960-00-044-6807
NSN 6145-01-152-2417
NSN 5920-01-660-3386
NSN 5920-01-364-5193
NSN 6145-01-605-0948
NSN 6645-01-424-4667
NSN 6145-01-271-5051
NSN 6610-01-453-4269
NSN 5998-01-551-2791
NSN 5915-01-500-4012