AHD16-9-1939S is a 9-position circular thermoplastic connector designed for industrial diagnostic applications, specifically configured as a J1939 Type 1 (Black Body) connector. The connector features contact size 16 with a maximum current rating of 13A and operates across a wide temperature range of -55°C to +125°C, making it suitable for demanding automotive and industrial environments. It incorporates a coupling ring, silicone rubber seal (red), standard diameter rear seal (red), and threaded rear assembly with a black thermoplastic UL94-VO housing body. The connector achieves IP67 rating in mated condition, supports a maximum voltage of 250V, and maintains dielectrical strength of 1500 volts minimum, with contacts made from copper alloy with gold plating for enhanced corrosion resistance. This connector is ideal for vehicle diagnostic systems, industrial control applications, and other scenarios requiring reliable, sealed connections in controlled and uncontrolled environmental conditions.