MIL-DTL-38999 Series II connectors are designed for harsh environments, offering exceptional durability and reliability. With up to 128 contacts in an insert, these connectors are ideal for high-density applications. Featuring front and rear wall mount, jam nut, and box mount receptacles, they provide versatile installation options. The connectors, made of aluminum, are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. With a variety of plating options available, including cadmium-free finishes, they meet RoHS compliance standards. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for military and industrial use, these connectors are built to withstand demanding conditions, making them essential for critical applications.