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 5998-00-824-6336
NSN 5998-00-598-6237
NSN 6135-00-726-4142
NSN 5985-01-327-5081
NSN 5945-00-112-4577
NSN 5895-01-331-6946
NSN 5835-01-430-4765
NSN 4140-01-262-1613
NSN 6110-01-389-6089
NSN 6110-01-242-0334
NSN 6320-01-422-1212
NSN 5920-01-471-5364