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 5920-00-761-8062
NSN 6130-01-494-3885
NSN 6620-01-503-2667
NSN 6320-01-125-3361
NSN 6620-01-606-8964
NSN 2925-01-142-0981
NSN 5950-00-886-9670
NSN 5925-00-427-9930
NSN 6685-01-502-5930
NSN 5835-00-348-8549
NSN 5855-00-149-0766
NSN 5925-00-003-4722