The 2-967402-1 is a Circular DIN pin housing connector designed for 4-way cavity configurations with a 2 key keying system and gray color finish. This connector features a 2.5 mm contact size and is engineered for reliable electrical connections in industrial and commercial transportation applications. The pin housing is compatible with standard Circular DIN connector systems and provides secure mating with corresponding socket housings. It is commonly used in automotive, industrial control, and transportation systems where standardized circular connectors are required for robust, environmentally sealed connections.