MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mount types including front wall, rear wall, and jam nut receptacles, these connectors are versatile and durable. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and offered in a range of plating options, including cadmium-free finishes, they meet stringent military specifications. Perfect for applications requiring rugged connectivity, the MIL-DTL-38999 Series I connectors provide exceptional reliability and performance.