MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a robust insert, designed for harsh environments. Featuring front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs, these connectors ensure secure and reliable connections. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for diverse applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for efficient installation. Constructed with high-strength aluminum shells and various plating options, including cadmium-free finishes, these connectors guarantee durability and environmental resilience. Trusted for military and industrial use, they meet stringent MIL-DTL-38999 I specifications, offering superior performance in demanding scenarios.