MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in a sealed insert, suitable for harsh environments. Featuring various mounting options like front and rear wall mount receptacles, as well as jam nut receptacles, they provide versatility in installations. These connectors, compliant with military specification MIL-DTL-38999 I, boast a wide operating temperature range from -65 °C to 200 °C. With 9 shell sizes and 52 insert arrangements available, they accommodate M39029 rear release crimp contacts, ensuring secure connections. Constructed with high-strength aluminum shells and offering plating options such as gold, electroless nickel, and anodized aluminum, they guarantee durability and reliable performance. Ideal for applications requiring rugged and dependable electrical connections in demanding environments.