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. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure reliable connectivity. These connectors utilize M39029 rear release crimp contacts in various sizes and configurations, including coax and twinax. Constructed with high-strength aluminum shells, they are available in different plating options such as cadmium and nickel, with RoHS certified finishes. Suitable for military and industrial applications, these connectors provide secure and durable electrical connections in demanding environments.