http://www.e-tec.cn/picture_search/d-sub-and-i-o-connectors/d-sub-waterproof-tht-vertical-with-lock.pngSDF-xxx-SIP11-55/BRTxWaterproof D-Sub THT Vertical Straight Female, available in 9-, 15 and 25-contacts with Board lock. Differnts Jack Screws options.