MIL-DTL-38999 Series II connectors offer high-performance connectivity for demanding environments, featuring up to 128 contacts in a secure insert. Designed for extreme conditions, these connectors are environmentally sealed and operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various mounting configurations such as front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation options. With a choice of straight, RFI grounding, and standard plugs, along with 52 insert arrangements using M39029 rear release crimp contacts, these connectors provide flexibility in application. Constructed with durable aluminum shells and offering plating options including cadmium and nickel, they guarantee robust performance in military and industrial settings. RoHS compliant finishes are also available for environmentally conscious applications. Overall, the MIL-DTL-38999 II connectors combine rugged design with high functionality, making them ideal for critical electrical connections in harsh environments.