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, they offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatility in installation. Their aluminum shells come with different plating options, including electroless nickel and cadmium finishes. Meeting military specification MIL-DTL-38999 II, they provide durability and high performance, making them ideal for demanding applications in aerospace, defense, and industrial settings.