The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in a sealed insert, designed for harsh environments. Operating between -65 °C and 200 °C, 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 reliable connectivity. With options for RoHS-certified finishes, such as cadmium-free plating, including gold, electroless nickel, and anodized aluminum, these connectors ensure durability and performance in demanding applications. Suitable for military and industrial use, they meet MIL-DTL-38999 II specifications for quality and reliability.