MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts within an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connectivity. The high-strength aluminum shells come in different plating options, including cadmium-free finishes, ensuring durability and compliance with RoHS standards. Whether it's front wall mount, rear wall mount, or jam nut receptacles, these connectors guarantee secure and efficient electrical connections, making them a trusted choice for military and industrial use.