The MIL-DTL-38999 Series II connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in a rugged insert. Designed for durability, they are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles such as front wall, rear wall, jam nut, and box mount receptacles, these connectors meet military specifications for reliability. With options for straight, RFI grounding, and standard plugs, they accommodate diverse applications with ease. Made of aluminum with plating choices including cadmium and nickel, they ensure corrosion resistance. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. The series is ideal for demanding environments where high-performance and durability are essential.