MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert and offering robust environmental sealing. With an operating temperature range from -65 °C to 200 °C, these connectors provide reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors, compliant with military specification MIL-DTL-38999 II, boast a durable aluminum shell with a choice of plating options such as gold and electroless nickel. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. These connectors are ideal for applications requiring high reliability and durability, with their RoHS certified cadmium-free finishes further enhancing their environmental compatibility.