The MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts housed in an insert and offer reliable performance in temperatures ranging from -65°C to 200°C. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. These connectors, compliant with military specification MIL-DTL-38999 II, are constructed with aluminum shells and offer multiple plating options including gold, electroless nickel, and cadmium-free finishes. With M39029 rear release crimp contacts in various sizes, they ensure secure connections. RoHS compliant variants are also available. Suitable for demanding environments, these connectors are ideal for applications requiring durability and high performance in extreme conditions.