Y27B-2004ZKBM-B Stainless Steel Push-Pull Aviation Connector, made of stainless steel, corrosion and salt mist resistant, push-pull locking, 4-core contact, high current, rated current 50A. Available with square, round, and wall-through sockets. Color options include stainless steel passivation, anodized aluminum, and nickel-plated copper. Suitable for environments with limited installation space.