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 6620-01-532-2243
NSN 5925-01-151-2780
NSN 5996-01-633-7979
NSN 6110-01-180-0311
NSN 5990-01-084-0807
NSN 5945-01-295-7467
NSN 5960-01-276-7836
NSN 5835-01-227-2318
NSN 5925-01-081-7253
NSN 5996-01-026-2069
NSN 5895-01-013-3855
NSN 6220-01-650-6302