An adaptor for cargo control systems is provided that can adjust to accommodate length, width, and height variances between parallel tracks in a cargo control system. The adaptor includes a crossbar, first and second length and height adjusting mechanisms, and first and second width adjusting mechanisms. The first and second length and height adjusting mechanisms are affixed to first and second ends of the crossbar, and the first and second width adjusting mechanisms are affixed to the crossbar along the length of the crossbar.