MIL-DTL-38999 Series II connectors are robustly designed for harsh environments, featuring up to 128 contacts within an insert. With front and rear wall mount options, as well as jam nut and box mount receptacles, they offer versatile installation possibilities. These connectors, compliant with military specification MIL-DTL-38999 II, are crafted for durability, with an operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed of aluminum with different plating options, including RoHS-certified finishes, they ensure reliable performance in demanding applications.