MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts housed 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 such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they ensure reliable performance in diverse applications. With a compact design and MIL-DTL-38999 II military specification compliance, these connectors are ideal for demanding environments requiring rugged and reliable connectivity.