Hızır Cabinet is a mechanical structure designed for naval platform. Heat exchanger on the cabinet is used for cooling devices inside the cabinet. EMI/EMC measures were taken for the cabinet which was mechanically designed in the quality that passed MIL-STD-810F environment conditions tests and verified with analysis. Sound noise level of the cabinet is below 60dB according to MIL-STD-1472F. Materials and coatings suitable to sea environment were taken into consideration during the mechanical design of the cabinet and the product was delivered with success.