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 5920-01-063-7427
NSN 6135-01-346-0851
NSN 6150-01-462-1235
NSN 5998-01-574-6426
NSN 5999-01-399-8726
NSN 5835-01-149-2442
NSN 5950-00-816-9913
NSN 6110-00-072-9394
NSN 5835-01-074-1161
NSN 2925-01-545-2717
NSN 5895-01-312-2085
NSN 5855-01-262-8013