MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with operating temperatures ranging from -65 °C to 200 °C. These connectors come in various configurations, including front and rear wall mount as well as jam nut receptacles, all offering RFI grounding options. With 9 shell sizes and 52 insert arrangements available, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax. Constructed with high-strength aluminum shells, they offer plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS compliant cadmium-free finishes. Ideal for military applications, these connectors ensure reliable connectivity with gold-plated contacts and a mating cycle rating of 1500 cycles. Their environment-resistant design, with ingress protection, makes them suitable for demanding operational conditions.
