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 5960-01-089-8155
NSN 5835-01-626-9603
NSN 6150-01-516-0617
NSN 5990-01-529-8433
NSN 6320-01-195-5583
NSN 5950-00-318-2836
NSN 5990-00-730-6269
NSN 5895-00-959-2284
NSN 6650-00-994-1802
NSN 6620-00-450-5703
NSN 5835-01-245-8077
NSN 6240-01-533-6303