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 5996-00-518-4880
NSN 5999-01-497-7924
NSN 5975-01-352-5853
NSN 5999-01-557-1940
NSN 6645-01-101-4957
NSN 5945-00-913-5412
NSN 5835-01-248-6688
NSN 5999-01-371-8767
NSN 5996-01-190-5160
NSN 5895-01-228-1497
NSN 5945-00-073-6384
NSN 6110-01-525-4783