MIL-DTL-38999 Series II connectors offer high performance in harsh environments with up to 128 contacts contained in an insert. These environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various configurations including 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 ensure compatibility and reliability. Constructed with aluminum shells and offering plating choices such as electroless nickel and cadmium finishes, they meet stringent military specifications. With their durable design and RoHS compliance, they are ideal for demanding electrical connectivity needs.