MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in 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 wall mount, 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 options including gold, electroless nickel, and cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Suitable for applications requiring rugged and durable connectivity, these connectors are ideal for military, aerospace, and industrial use.