MIL-DTL-38999 Series I connectors feature up to 128 contacts and are designed for harsh environments, offering reliable performance in temperatures ranging from -65°C to 200°C. Available in various shell sizes and insert arrangements, these connectors come in front wall mount, rear wall mount, and jam nut receptacle options, with RFI grounding plugs for added functionality. Constructed with high-strength aluminum shells, they are offered in a range of plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections, making them suitable for military and industrial applications requiring durability and environmental resilience.