MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer versatility in applications. These connectors come in aluminum shells with plating options including cadmium and nickel, ensuring durability and reliability. Utilizing M39029 rear release crimp contacts, they provide secure connections. With RoHS compliant finishes, they meet environmental standards. Ideal for military and industrial use, these connectors are known for their high performance and longevity.