MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed, with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. Made with high-strength aluminum shells and plated with options such as gold and electroless nickel, they ensure reliable performance. The connectors come in different types including front wall mount, rear wall mount, and jam nut receptacles, all meeting stringent military specifications. With RoHS certified finishes available, they guarantee compliance with environmental regulations. Suitable for demanding environments, these connectors are ideal for applications requiring rugged and dependable connectivity.