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 5985-01-626-6145
NSN 5960-00-705-5424
NSN 5855-01-047-9267
NSN 5998-00-113-5896
NSN 7035-00-465-3298
NSN 5950-01-501-1388
NSN 5999-01-651-7332
NSN 6645-01-491-9845
NSN 5920-01-331-0293
NSN 6105-01-521-1413
NSN 6320-01-521-1764
NSN 6135-00-643-4843