MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts housed in an insert. These connectors are meticulously engineered for durability, with environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they boast M39029 rear release crimp contacts for secure connections. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Crafted from high-strength aluminum and offering a choice of plating options, including RoHS-certified finishes, these connectors ensure reliable connectivity in demanding applications. Ideal for military and industrial use, they meet stringent MIL-DTL-38999 I specifications for performance and reliability.