The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for reliable connectivity. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for diverse applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Constructed with aluminum shells and offering multiple plating options including gold, electroless nickel, and cadmium-free finishes, these connectors ensure durability and performance. Meeting military specification MIL-DTL-38999 II, they provide secure and efficient electrical connections in demanding conditions.