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 6620-00-375-0393
NSN 5930-01-632-7200
NSN 6620-00-811-7614
NSN 5975-01-224-8672
NSN 6105-01-377-6284
NSN 5935-01-294-0291
NSN 5960-01-367-6153
NSN 6105-01-457-3333
NSN 6645-01-549-0935
NSN 5985-01-479-3255
NSN 6610-00-492-9872
NSN 5999-01-282-2847