The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert for secure connectivity. With a wide operating temperature range from -65°C to 200°C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility for different connection needs. Constructed with high-strength aluminum shells and offered in multiple plating options, including RoHS certified finishes, they ensure reliable performance. The connectors come in different types, such as front wall mount, rear wall mount, and jam nut receptacles, catering to diverse installation requirements. Utilizing M39029 rear release crimp contacts, they guarantee efficient and durable connections. Perfect for military and industrial use, these connectors provide excellent conductivity and ingress protection, making them ideal for critical operations.