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 5998-00-661-0380
NSN 6110-01-178-2848
NSN 5855-01-300-2301
NSN 5905-01-018-2248
NSN 2925-00-103-6822
NSN 6110-00-614-9218
NSN 5996-01-463-8197
NSN 6320-01-643-0850
NSN 5835-01-116-2369
NSN 6110-00-175-3661
NSN 5996-01-100-2952
NSN 4140-01-511-7688