The MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, with up to 128 contacts housed in an environmentally sealed insert. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. With an operating temperature range from -65°C to 200°C, these connectors are designed for durability. Available in aluminum shells with multiple plating options including cadmium-free finishes, they ensure high performance and corrosion resistance. The connectors, compliant with military specifications, are ideal for aerospace, defense, and industrial applications requiring rugged and dependable electrical connections.