MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts sealed for environmental protection. Designed for durability, these connectors operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various configurations, including front wall mount, rear wall mount, and jam nut receptacles, they ensure versatile installation options. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and offering multiple plating options, such as electroless nickel and cadmium finishes, they meet stringent military specifications for performance and reliability. With RoHS-certified cadmium-free options available, these connectors are ideal for demanding applications in the aerospace, defense, and industrial sectors.