MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles. Operating in temperatures ranging from -65 °C to 200 °C, these connectors offer reliable performance. Made of high-strength aluminum, they come in various plating options including gold, electroless nickel, and black anodized aluminum. With RoHS certified cadmium-free finishes available, they ensure compliance with environmental regulations. Ideal for military and industrial applications, these connectors are known for their durability and versatility.