MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure secure RFI grounding. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for reliable connections. Constructed with high-strength aluminum shells and various plating options including cadmium-free finishes, they meet stringent RoHS certification. Perfect for military applications, these connectors provide durable performance in demanding environments.