MIL-DTL-38999 Series I connectors offer reliable performance in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range 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 utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in different plating options, including cadmium-free finishes, ensuring durability and compliance with RoHS regulations. Whether for front wall mount, rear wall mount, or jam nut receptacles, these connectors provide efficient and dependable connectivity in military and industrial settings.