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 6130-00-983-7866
NSN 6685-00-398-0341
NSN 6135-01-597-7685
NSN 5915-01-121-0374
NSN 6650-01-481-3618
NSN 5990-00-524-2293
NSN 6110-00-960-7341
NSN 6150-01-541-5415
NSN 5996-01-492-1695
NSN 6135-00-542-6216
NSN 5945-01-654-9004
NSN 6145-01-069-6982