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 6650-01-296-0883
NSN 5999-01-246-2471
NSN 5905-01-461-1758
NSN 6685-00-826-9381
NSN 2925-01-307-7429
NSN 5999-00-568-8287
NSN 5985-01-081-5899
NSN 5915-00-783-8131
NSN 5945-00-351-9677
NSN 5905-01-167-7420
NSN 5935-00-195-5598
NSN 5985-01-496-6088