MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range from -65 °C to 200 °C. These harsh environment connectors come in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, with straight and 90-degree cable clamp plugs available. Compliant with military specification MIL-DTL-38999 II, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, ensuring reliable connectivity. Constructed with aluminum shells and offered in different plating options, including RoHS certified finishes, these connectors are ideal for demanding applications requiring durability and performance.