The MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in a sealed insert. With a wide operating temperature range of -65°C to 200°C, these connectors provide reliable performance in harsh conditions. Featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. Available in aluminum shells with plating options including cadmium and nickel, they ensure durability and corrosion resistance. With RoHS compliant finishes, these connectors meet environmental standards. Suitable for military and industrial use, they are ideal for applications requiring secure and high-performance electrical connections.