The MIL-DTL-38999 Series I connectors offer up to 128 contacts in an insert, providing robust connectivity in harsh environments. With operating temperatures ranging from -65°C to 200°C, these connectors are suitable for a wide range of applications. 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. Made of high-strength aluminum, they come with plating options like cadmium and nickel, ensuring durability. These connectors, compliant with MIL-DTL-38999 I specifications, utilize M39029 rear release crimp contacts for secure connections. Perfect for military and industrial use, they offer reliable performance with a mating life of 500 cycles.