The MIL-DTL-38999 Series I connectors are designed for harsh environments, with up to 128 contacts housed in a durable insert. Featuring front wall mount, rear wall mount, and jam nut receptacles, they offer secure connectivity in various applications. These connectors are environmentally sealed, with an operating temperature range of -65°C to 200°C, ensuring reliability in extreme conditions. Compliant with military specification MIL-DTL-38999 I, they come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they guarantee efficient and long-lasting performance. Suitable for both military and commercial use, these connectors are essential for applications requiring rugged and dependable electrical connections.