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 6135-01-274-3546
NSN 6130-01-262-0693
NSN 6620-01-643-5531
NSN 5990-00-995-6071
NSN 6620-01-488-9547
NSN 6320-01-195-5583
NSN 5855-00-610-4052
NSN 5835-01-478-9428
NSN 5905-01-566-1978
NSN 5990-01-491-1397
NSN 6610-00-510-2906
NSN 6150-01-322-4740