MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options such as 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, come in aluminum shells with plating choices including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for applications requiring durability and conductivity, these connectors are ideal for aerospace, defense, and industrial use.