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 6240-01-467-3341
NSN 6145-01-546-3379
NSN 5990-01-432-4984
NSN 6610-01-425-1523
NSN 5999-00-043-0303
NSN 5935-00-360-1968
NSN 4140-01-380-8871
NSN 5835-01-342-2654
NSN 5985-00-073-6553
NSN 5998-01-193-0334
NSN 5855-00-436-3852
NSN 5965-01-153-1965