MIL-DTL-38999 Series II connectors feature up to 128 contacts in a sealed insert, designed for harsh environments with a wide operating temperature range of -65 °C to 200 °C. Available in various mounting options such as wall mount, jam nut, and box mount, these connectors offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity. Constructed with aluminum shells and offering finishes like electroless nickel and cadmium olive drab, they meet stringent military specifications. Ideal for applications requiring durability and environmental resistance.