MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, these connectors are environmentally sealed, ensuring reliable operation in extreme conditions ranging from -65 °C to 200 °C. Featuring various mounting options such as front wall, rear wall, jam nut, and box mounts, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum with a choice of plating options including cadmium and nickel, they guarantee durability and longevity. Compliant with military specifications, these connectors are ideal for critical applications requiring rugged and dependable performance.