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 5960-00-633-7670
NSN 5975-01-254-6128
NSN 6220-01-106-2424
NSN 5998-01-469-9886
NSN 5999-01-056-3300
NSN 4140-00-393-6279
NSN 2925-00-617-0826
NSN 2925-01-412-9520
NSN 5835-01-193-6192
NSN 5950-01-122-0527
NSN 2925-01-420-2362
NSN 6145-01-605-3228