MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, these connectors provide versatility for different applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they meet RoHS compliance standards. Perfect for military and industrial use, these connectors guarantee durability and conductivity with a mating life of 500 cycles.