MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various configurations 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, are constructed with aluminum shells and offer multiple plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. With a focus on durability and performance, these connectors are ideal for applications requiring rugged and reliable electrical connectivity.