MIL-DTL-38999 Series I connectors are designed for demanding environments, featuring up to 128 contacts in an insert that is environmentally sealed for reliable performance. With an operating temperature range of -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 in sizes 22D, 22M, 22, 20, 16, and 8. The high-strength aluminum shells come in a choice of plating options, including cadmium-free finishes for RoHS compliance. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, ensuring versatility in installation. Perfect for military and industrial use, these connectors offer durable construction and efficient connectivity in harsh conditions.