MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they are ideal for demanding applications. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including RoHS-certified finishes. The family includes front wall mount, rear wall mount, and jam nut receptacles, all designed for secure installations. Using M39029 rear release crimp contacts, they ensure efficient and durable connections. Suitable for military and industrial use, MIL-DTL-38999 I connectors are essential for maintaining signal integrity in critical systems.