The 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. Available in various shell sizes and insert arrangements, they offer flexibility for different applications. These connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide secure and reliable connections. Utilizing M39029 rear release crimp contacts, they ensure efficient connectivity. Suitable for military and industrial use, these connectors meet stringent performance standards, making them ideal for demanding environments.