The MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in an insert with environmental sealing. 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 for secure connections. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Designed for military specifications, they guarantee durability with RoHS compliant options. Perfect for wall and jam nut mounting receptacles and plugs, these connectors ensure efficient performance in demanding conditions.