MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, ensuring reliable data transmission in harsh environments. Designed for durability, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they meet stringent military specifications for quality and performance. With gold-plated contacts and a mating life of 500 cycles, these connectors ensure excellent conductivity and longevity. Suitable for a wide range of applications, they are ideal for use in aerospace, defense, and industrial settings.