The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts housed in a rugged insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs for enhanced signal integrity. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections in aerospace and military applications. With a variety of plating options including cadmium-free finishes, these connectors are RoHS compliant, making them suitable for a range of industrial use cases. The high strength aluminum shells provide durability, while the gold-plated contacts ensure optimal conductivity. Ideal for demanding environments, the MIL-DTL-38999 Series I connectors are a reliable choice for mission-critical systems.