MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles. Operating between -65 °C and 200 °C, they offer reliable performance in extreme conditions. These connectors, compliant with military specification MIL-DTL-38999 I, use M39029 rear release crimp contacts and come in various plating options, including cadmium-free finishes. With high-strength aluminum shells and RFI grounding plugs, they ensure durability and secure connections. Suitable for applications requiring environmental resistance, these connectors are available in different shell sizes and insert arrangements, making them versatile for various industrial and military uses.