The TE Connectivity / AMP Brand part 5-747904-2 is a high-quality plug from the HD-20 Solder Cup Connectors series. It has a durable zinc-plated shell and is designed to mate with the 5-747905-2 receptacle. The plug features a black thermoplastic insert that meets 94V-0 rating, ensuring safety and reliability. Its contacts are made from phosphor bronze with duplex plating for superior conductivity. With 9 contact positions, this plug provides flexibility for a variety of applications. As with all TE products, the 5-747904-2 plug is RoHS compliant, making it environmentally friendly.