MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in a variety of conditions. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts and come in high-strength aluminum shells. Plating options include light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes. The connectors feature front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse installation needs. Perfect for military applications, these connectors meet MIL-DTL-38999 I specifications, ensuring durability and performance in critical operations.