The MIL-DTL-38999 Series II connectors boast exceptional versatility, housing up to 128 contacts within a rugged insert for reliable connectivity in harsh environments. Engineered for durability, these connectors are fully sealed to withstand extreme temperatures ranging from -65 °C to 200 °C. Offering various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors feature M39029 rear release crimp contacts for secure connections. Crafted from aluminum, they come in a range of plating options such as cadmium and nickel for enhanced corrosion resistance. With RoHS compliant finishes, these connectors guarantee both performance and environmental responsibility, making them ideal for military and industrial applications.