MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. These environmentally sealed connectors feature 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 versatile installation. With 52 insert arrangements and M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors provide flexibility in configurations. Constructed with durable aluminum shells and offering multiple plating options such as gold, electroless nickel, and cadmium finishes, they guarantee reliable performance in demanding applications. The MIL-DTL-38999 II connectors are ideal for military and industrial use, meeting stringent quality and reliability standards.