MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts sealed within an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they meet stringent military specifications for durability. The aluminum shells come with a choice of plating options, ensuring resistance to corrosion. With RoHS certified finishes available, these connectors are ideal for applications requiring high reliability and environmental protection.