MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert for secure connectivity. With an operating temperature range from -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse installation needs. Utilizing M39029 rear release crimp contacts, they ensure easy and efficient assembly. Compliant with military specification MIL-DTL-38999 I, these connectors are ideal for applications requiring durability and environmental sealing.