MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. This connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, offering versatility in installation. With 9 shell sizes and 52 insert arrangements available, they utilize M39029 rear release crimp contacts, catering to various connectivity needs. Constructed with high-strength aluminum shells, these connectors come in plating options like light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes for environmental compliance. Ideal for military and industrial applications, these connectors ensure reliable performance with features like gold contact plating, a maximum operating temperature of 150 °C, and a mating cycle life of 500 cycles. Suitable for conductive environments, they offer ingress protection and are specified for environment-resistant wall and jam nut mounting receptacle and plug types.
