The MIL-DTL-38999 Series I connectors boast a rugged design with up to 128 contacts housed in an environmentally sealed insert, ensuring reliable performance in harsh conditions. Offering versatility, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. They come in 9 shell sizes and 52 insert arrangements, utilizing M39029 rear release crimp contacts. Constructed with high-strength aluminum shells and available in various plating options, including cadmium-free finishes, they guarantee durability and corrosion resistance. Ideal for military and industrial use, the MIL-DTL-38999 I connectors are trusted for their quality and performance.