MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, ensuring robust connectivity in harsh environments. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are ideal for a wide variety of applications. Available in various shell sizes and insert arrangements, they offer versatility for different mounting requirements. The connectors boast front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Constructed with high-strength aluminum shells and offering a choice of plating options including cadmium-free finishes, they prioritize durability and environmental compliance. Utilizing M39029 rear release crimp contacts in various sizes, these connectors guarantee reliable performance.