The MTE KEYING PLUG (part number 104072-1) from TE Connectivity / AMP Brand is a small and durable plug designed for keying applications. This plug is used to prevent incorrect mating of connectors by providing a distinct keying feature. It is made with high-quality materials, ensuring reliable performance and longevity. The MTE KEYING PLUG is easy to install and compatible with various connectors, making it an essential component for securing connections in a wide range of applications.