MIL-DTL-38999 Series I connectors offer exceptional performance in harsh environments, boasting up to 128 contacts within their environmentally sealed inserts. Designed for rugged use, these connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in different sizes, ensuring versatile connectivity options. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors provide flexibility in installation. Crafted from high-strength aluminum, they come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Ideal for military applications, the MIL-DTL-38999 Series I connectors guarantee reliable performance in demanding conditions.