3-1564518-1 is an HDSCS connector flange housing designed for industrial and commercial transportation applications. This 10-position connector features Group D configuration with mixed contact sizes: (6) 1.5K and (4) 2.8, providing flexible pin arrangements for various circuit requirements. The housing is keyed with black color for positive mating identification and includes a tab flange design for secure panel mounting. The connector is constructed with glass-filled polyamide housing and molded-in copper alloy contacts with tin or nickel plating options. This flange-mounted configuration is ideal for applications requiring robust environmental sealing and reliable electrical connections in harsh automotive and industrial environments.