MIL-DTL-38999 Series I connectors are designed for harsh environments, boasting up to 128 contacts housed within an environmentally sealed insert. With an operating temperature range spanning from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Featuring various mounting options including front wall, rear wall, and jam nut receptacles, they cater to diverse installation needs. Utilizing M39029 rear release crimp contacts in multiple sizes, these connectors ensure secure and efficient connections. Constructed with high-strength aluminum shells and available in a range of plating options such as electroless nickel and cadmium finishes, they guarantee durability and corrosion resistance. Compliant with military specification MIL-DTL-38999 I, these connectors are ideal for applications requiring rugged and dependable connectivity in critical environments.