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 5950-01-554-1723
NSN 5920-01-119-3652
NSN 5965-01-600-8137
NSN 6150-01-446-3872
NSN 4140-01-579-3686
NSN 6685-01-474-2254
NSN 6130-01-354-7865
NSN 6105-01-359-1463
NSN 6650-01-264-4415
NSN 5935-01-502-9069
NSN 6150-01-056-4345
NSN 5855-01-100-3272