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 various configurations including front wall mount, rear wall mount, and jam nut receptacles, these connectors offer versatility for different applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8 (coax and twinax). Constructed with high-strength aluminum shells and offering multiple plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, these connectors provide durability and performance. RoHS certified finishes are also available. With MIL-DTL-38999 I connectors, reliability and functionality are guaranteed for critical military and industrial operations.