The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are environmentally sealed for reliable performance. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with plating options including electroless nickel and cadmium finishes, ensuring durability. Compliant with military specification MIL-DTL-38999 II, they are ideal for applications requiring secure and high-performance electrical connections.