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 5855-00-631-4565
NSN 6240-01-125-2060
NSN 6645-01-013-3852
NSN 6610-01-147-9072
NSN 5950-00-270-3063
NSN 5990-00-821-6257
NSN 4140-00-597-5260
NSN 5965-00-285-0745
NSN 6110-01-409-2692
NSN 5920-01-550-1507
NSN 5855-00-482-9876
NSN 6240-01-023-7720