MIL-DTL-38999 Series I connectors offer durable performance in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are designed for reliability in extreme conditions. 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 a range of plating options, including cadmium-free finishes for RoHS compliance. Whether for front wall mount, rear wall mount, or jam nut receptacles, these connectors provide efficient and dependable electrical connectivity.