The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are environmentally sealed for reliable performance. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Constructed with aluminum shells and offering multiple plating options such as cadmium and nickel, these connectors ensure durability and corrosion resistance. With RoHS compliant finishes available, they meet environmental standards. Suitable for military and industrial applications, these connectors with gold-plated contacts provide secure and high conductivity connections.