The 350784-1 part from TE Connectivity / AMP Brand is a 15P UMNL CAP HSG, which refers to a 15-pin Universal MATE-N-LOK header cap housing. This high-quality housing is designed to securely hold electrical connectors in place, providing reliable connections for a wide range of applications. It offers easy installation and is built to withstand harsh environments, ensuring optimal performance and longevity.