MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a rugged insert design. These environmentally sealed connectors are built to withstand extreme conditions, with an operating temperature range from -65 °C to 200 °C. Featuring various mounting options including front wall, rear wall, and jam nut receptacles, they are versatile for different applications. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. With RoHS certified cadmium-free finishes available, these connectors are compliant with environmental regulations. The high-strength aluminum shells, available in different plating options, provide durability and longevity. Ideal for military and industrial use, they meet MIL-DTL-38999 I specifications for performance and reliability in harsh environments.