MIL-DTL-38999 Series I connectors feature up to 128 contacts, designed for harsh environments with a wide operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount options as well as jam nut receptacles. These circular connectors utilize M39029 rear release crimp contacts, suitable for sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax configurations. Constructed with high-strength aluminum shells, they come in multiple plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes available. Ideal for military and industrial applications, these connectors provide reliable connectivity in demanding environments.
