MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles. With an operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. These connectors utilize M39029 rear release crimp contacts in various sizes and come in high-strength aluminum shells. Available in different plating options, including cadmium-free finishes, they ensure durability and longevity. Ideal for military, aerospace, and industrial applications, MIL-DTL-38999 Series I connectors provide secure and efficient electrical connections.