MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors ensure secure installations. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for demanding applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. Constructed with high-strength aluminum shells and offering various plating options, including cadmium-free finishes, they meet stringent military specifications for durability. Perfect for box mounting applications, these connectors provide efficient and robust electrical connectivity in challenging environments.