MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. These environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they ensure secure installations. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide versatile options for different applications. Constructed with high-strength aluminum shells and offering multiple plating choices such as electroless nickel and cadmium finishes, they guarantee durability and reliability. RoHS compliant versions are also available, meeting environmental standards. Suitable for military and industrial use, MIL-DTL-38999 I connectors are ideal for demanding environments where performance and longevity are crucial.