MIL-DTL-38999 Series II connectors offer exceptional performance in harsh environments with up to 128 contacts in an insert. These environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C, ensuring reliability in various conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, these connectors offer flexibility in design. Constructed with aluminum shells and various plating options including cadmium and nickel, they meet stringent military specifications for durability. Suitable for aerospace, defense, and industrial applications, these connectors guarantee secure and efficient electrical connections in critical systems.