http://www.e-tec.cn/picture_search/d-sub-and-i-o-connectors/d-sub-waterproof-tht-vertical-without-lock.pngSDF-xxx-SIP11-55/TxxWaterproof D-Sub THT Vertical Straight Female, available in 9-, 15 and 25-contacts without Board lock. Differnts Jack Screws options.