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 6650-01-328-5135
NSN 5895-01-357-8583
NSN 6220-00-635-8818
NSN 5990-01-035-6869
NSN 5855-00-110-9341
NSN 5950-00-556-0234
NSN 5905-01-068-3631
NSN 7035-01-344-8708
NSN 5990-01-019-6609
NSN 6105-01-634-0322
NSN 6650-01-509-4948
NSN 5999-01-475-2509