The D38999/20FC8SN is a MIL-DTL-38999 Series III wall mount receptacle designed for high-reliability interconnects in harsh military and aerospace environments. It features an aluminum shell with a Class F electroless nickel finish, providing superior EMI shielding of at least -65dB at 10 GHz and withstanding 48 hours of salt spray. This connector is rated for operation up to 200°C and houses 8 size 20, 500-cycle socket contacts within a 13-8 insert arrangement. Its scoop-proof design, quick-coupling mechanism, and robust construction ensure dependable performance in demanding applications.