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 5915-01-555-8852
NSN 6650-01-590-5439
NSN 5990-01-146-9126
NSN 5960-01-502-6270
NSN 5950-01-523-2720
NSN 6145-00-445-7839
NSN 5915-01-459-4959
NSN 6145-01-025-1372
NSN 5960-00-152-9488
NSN 6150-01-474-5738
NSN 4140-00-354-4117
NSN 6320-00-139-1090