The 5207871-1 is an AMPLIMITE HDP-20 series D-subminiature receptacle connector designed for crimp snap-in contacts. It features a size 3 shell with 25 positions for size 20 DF socket contacts. The connector is constructed with a steel shell plated with tin, includes grounding indents, and has a black, 94V-0 rated thermoplastic insert. Mounting is facilitated by self-locking 4-40 clinch nuts. This RoHS compliant connector is intermateable with D-subminiature connectors that meet MIL-C-24308 standards, making it suitable for commercial applications such as industrial machinery, computers, and medical instrumentation.