The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65 °C to 200 °C, they are suitable for a wide range of applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer flexibility in installation. They use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, ensuring secure connections. The aluminum shells come in different plating options, such as cadmium and nickel, with RoHS compliant finishes available. These connectors, meeting MIL-DTL-38999 II specifications, guarantee reliable performance in demanding conditions.