The DE11533920 is a snap-together universal backshell accessory for D-Sub connectors. It features a 2-piece design for quick assembly and is constructed from black thermoplastic with a UL 94V-0 rating. This backshell is designed for a size DE, 9-layout connector and accommodates a maximum cable diameter of 7.01 mm. The snap-together feature simplifies installation, making it a practical choice for providing strain relief and protection to cable assemblies, with the user providing their own tie-wrap.