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 5996-01-476-7550
NSN 5965-00-922-6243
NSN 5985-01-178-9714
NSN 6650-00-977-7533
NSN 5990-00-726-3516
NSN 6240-00-690-2274
NSN 5915-01-156-0733
NSN 6150-01-161-4769
NSN 5985-01-437-9175
NSN 5835-01-381-2683
NSN 6130-01-150-5062
NSN 5945-00-230-2176