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 5998-01-455-4618
NSN 5920-01-189-0115
NSN 4140-00-844-9436
NSN 5999-01-447-2960
NSN 5985-00-342-9140
NSN 5999-01-468-7980
NSN 5985-01-634-0635
NSN 6220-01-514-9687
NSN 5999-01-487-0379
NSN 5835-00-911-6330
NSN 6240-01-117-4869
NSN 6130-00-253-3901