2-1879664-3 is a part of TE Connectivity, a technology company that designs and manufactures connectivity and sensor solutions for a variety of industrial and consumer applications. The 2-1879664-3 part is an appropriately-sized D-Sub metal hood for transmission of electrical signals in many applications. This part features a metal shell with plastic locks that hold connectors inside. It has a standard D-Sub pinout configuration and is suitable for 9 to 37 way applications, ideal for a range of data, serial, automotive, telecommunications, and audio applications. It also has a strong metal shell that can provide good shielding against electromagnetic interference and excellent mechanical protection.