MIL-DTL-38999 Series II connectors boast high performance with up to 128 contacts in an insert, offering robust environmental sealing and a broad operating temperature range from -65 °C to 200 °C. These connectors, featuring front and rear wall mounts, jam nut, and box mount receptacles, are ideal for harsh environments. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connectivity. Crafted from durable aluminum, with plating options including electroless nickel and cadmium finishes, these connectors ensure long-lasting performance. RoHS certified options are also available, making them suitable for diverse applications requiring high reliability and durability.