The MIL-DTL-38999 Series II connectors boast exceptional versatility with up to 128 contacts housed within a rugged insert for reliable performance in harsh environments. Designed for military specifications, these connectors feature various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, these connectors offer multiple plating options such as cadmium and nickel for enhanced corrosion resistance. With a wide operating temperature range from -65°C to 200°C, they are ideal for demanding applications where reliability is paramount.