MIL-DTL-38999 Series I connectors offer high-performance connectivity for harsh environments. With up to 128 contacts and environmental sealing, they ensure reliable operation in extreme conditions, ranging from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, this connector family provides versatile options for various applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offered in different plating options, including cadmium-free finishes, these connectors meet stringent quality standards. Ideal for military and industrial use, MIL-DTL-38999 Series I connectors guarantee durability and performance in demanding environments.