5747299-4 is an AMPLIMITE HD-20 subminiature D-connector receptacle designed for secure PCB mounting applications. This receptacle features 15 contact positions with a shell size of 2 (1.541 inches × 1.312 inches) and is equipped with fixed female screwlocks for reliable mechanical retention. The connector utilizes phosphor bronze contacts with gold flash plating on the mating end and tin plating on the termination end, with a minimum 0.000050 inch nickel underplate for enhanced durability. The post length is 0.125 inches (3.18 mm), recommended for PCB board thickness of 0.062–0.093 inches. This connector is ideal for applications requiring robust, repeatable mating cycles in compact spaces, such as instrumentation, data acquisition systems, and industrial control equipment where vibration resistance and secure locking are essential.