MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are reliable in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Featuring gold-plated contacts and aluminum shells with multiple plating options, they ensure superior conductivity and durability. Compliant with military specification MIL-DTL-38999 II, these connectors are ideal for applications requiring rugged performance.