The AHD17-9-1939S is a 9-position slip-on Female Plug with gold-plated copper alloy contacts, thermoplastic housing, size-16 socket contact type and 14 to 20AWG sire size. The AHD Series? connector was developed in response to the overwhelming need for an economic alternative to today's existing diagnostic product options. Designed specifically as a reliable alternative, intermateable to industry standard 9-pin connectors, the AHD Series? is ideal for any situation where either controlled or uncontrolled environmental conditions exist. AHD Series? connector is completely compatible with all other existing standard products industry-wide.