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 6110-01-486-7123
NSN 6320-01-446-6775
NSN 6130-00-545-9943
NSN 6130-01-394-4986
NSN 5996-01-149-8835
NSN 5835-00-228-9082
NSN 5999-00-498-6504
NSN 6650-01-399-8552
NSN 6130-01-286-9580
NSN 6320-01-585-8468
NSN 6650-00-751-9958
NSN 5996-01-386-4230