The MIL-DTL-38999 Series II connectors provide high-performance connectivity with up to 128 contacts in a durable insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Constructed with aluminum shells and available in different plating options, such as electroless nickel and cadmium finishes, they ensure reliable performance. With MIL-DTL-38999 II compliance and RoHS-certified options, these connectors meet stringent military specifications while offering flexibility for diverse applications.