The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts housed in an environmentally sealed insert. Designed for harsh environments, these connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they ensure secure and reliable connections. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility for different applications. The connectors are built to last with high-strength aluminum shells and offer multiple plating options for corrosion resistance. Meeting MIL-DTL-38999 I specifications, they guarantee quality and reliability in demanding military and industrial environments.