MIL-DTL-38999 Series I connectors feature up to 128 environmentally sealed contacts, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in front wall mount, rear wall mount, and jam nut receptacle options, they offer RFI grounding plugs and utilize M39029 rear release crimp contacts. With various plating options such as electroless nickel and black anodized aluminum, these connectors come in high strength aluminum shells. RoHS certified and offering cadmium-free finishes, they ensure reliable performance in demanding applications.