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 5985-01-507-9736
NSN 5960-00-814-4591
NSN 6620-00-538-8746
NSN 5950-00-456-9047
NSN 6610-00-751-7916
NSN 7035-01-512-8096
NSN 5935-01-617-2672
NSN 5990-00-924-4167
NSN 6220-01-376-0151
NSN 6150-01-364-9613
NSN 5905-00-343-0670
NSN 6105-01-012-4176