MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options, including RoHS-compliant finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, all featuring RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for military and industrial applications, these connectors are built for durability, with a mating life of 1500 cycles. Their environment-resistant design makes them ideal for demanding tasks.