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 6110-01-472-6145
NSN 5945-00-389-7948
NSN 6105-01-494-3848
NSN 5990-01-462-1617
NSN 5965-01-643-3424
NSN 6130-01-531-3511
NSN 6135-01-552-1568
NSN 5960-01-270-6362
NSN 5960-01-037-7988
NSN 2925-00-468-5273
NSN 6650-00-775-6560
NSN 6220-01-278-9822