MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in a single insert. These connectors are environmentally sealed, with a wide operating temperature range of -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile connectivity options. Featuring aluminum shells with multiple plating choices like gold and electroless nickel, these connectors ensure reliable performance. Compliant with military specification MIL-DTL-38999 II, they are ideal for applications requiring durability and ruggedness.