MIL-DTL-38999 Series II connectors offer rugged connectivity with up to 128 contacts, ideal for harsh environments. These environmentally sealed connectors have a wide operating temperature range from -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure secure installations. Featuring thin walls and restricted lengths, these connectors are designed for space-saving applications. With a range of plating options like gold and electroless nickel, they offer reliable performance. Compliant with MIL-DTL-38999 II military specifications, these circular connectors are perfect for demanding industrial and military applications.