CLEVELAND—Transdigm Group Inc., a maker of aerospace components and systems for commercial and military aircraft, has completed its acquisition of Esterline Technologies Corp., a supplier of products to the global aerospace and defense industry. Shareholders of Bellevue, Wash.-based Esterline will receive $122.50 per share in cash, without interest, according to terms of the merger agreement. The deal is valued at about $4 billion, including the assumption of debt.