The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts and durable environmental sealing. Designed for harsh environments, these connectors feature various mounting options like front and rear wall mount, jam nut, and box mount receptacles, accommodating different installation needs. With a wide operating temperature range from -65 °C to 200 °C, they ensure reliable performance in extreme conditions. Constructed with aluminum shells and available in different plating options, including cadmium-free finishes, these connectors meet stringent military specifications. Utilizing M39029 rear release crimp contacts, they provide secure and efficient connections, ideal for mission-critical applications.