MIL-DTL-38999 Series I connectors feature up to 128 contacts 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 front wall mount, rear wall mount, and jam nut receptacles. These connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax options. Constructed with high-strength aluminum shells, they come with multiple plating choices such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS compliant cadmium-free finishes available. The connectors, with a service rating of I, are ideal for applications requiring environment-resistant wall and jam nut mounting receptacles and plugs, featuring gold-plated contact pins for reliable conductivity.
