300X11139X is a metal hood designed for D-Sub connectors, providing shielding and mechanical protection. The product is part of a series covering 9 to 50 position configurations, with this variant featuring short screw mounting using 4-40 UNC threads. The hood is plated and compliant with RoHS Directive 2002/95 EC. These metal hoods are commonly used in industrial, telecommunications, and computing applications where EMI shielding and durable connector protection are required.