MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. With 52 insert arrangements and M39029 rear release crimp contacts in various sizes, these connectors provide versatility in applications. Constructed with high-strength aluminum shells and available in different plating options, including RoHS certified finishes, they guarantee durability and reliability. Perfect for military and industrial use, these connectors are ideal for demanding environments where performance is critical.