MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options like front wall mount, rear wall mount, and jam nut receptacles, they cater to diverse connectivity needs. The connectors utilize M39029 rear release crimp contacts, ensuring secure connections. Constructed with high-strength aluminum shells and offered in different plating options including cadmium-free finishes, they meet stringent military specifications. Suitable for applications requiring durability and performance, these connectors are essential for mission-critical operations.