The 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 of -65°C to 200°C, these connectors offer reliability in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. The connectors come in aluminum shells with options for plating including cadmium and nickel, ensuring durability and corrosion resistance. With MIL-DTL-38999 II compliance, they meet stringent military specifications for performance and reliability. Suitable for aerospace, defense, and industrial applications, these connectors are ideal for use in demanding environments where connectivity is critical.