MIL-DTL-38999 Series II connectors feature up to 128 contacts housed in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting configurations including front and rear wall mount, jam nut, and box mount receptacles, they offer versatile connectivity options. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with multiple plating choices, such as cadmium and nickel. With RoHS-certified finishes available, they ensure reliable performance in demanding applications. Suitable for use in aerospace, defense, and industrial sectors, these connectors guarantee durability and conductivity, making them ideal for critical electronic systems.