Introducing the M28840/12A2B1P3 Circular MIL Spec Connector, a high-reliability solution designed for military and aerospace applications. This box mount receptacle features a durable aluminum shell with a cadmium over electroless nickel finish, ensuring robust performance in harsh environments. Gold over nickel contact plating on copper alloy pins guarantees excellent conductivity and corrosion resistance. With a wire size accommodation of 26 to 22 AWG and a threaded locking mechanism, this RoHS-compliant connector offers secure and reliable connections. Its insert arrangement of 13-1 and keying position 3 prevent mismating, while accommodating high vibration environments. Trust the M28840/12A2B1P3 for dependable signal transmission in mission-critical systems.