MIL-DTL-38999 Series I connectors offer high-performance connectivity for demanding environments. With up to 128 contacts housed in a rugged insert, these connectors are built to withstand extreme temperatures ranging from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, they provide versatile installation options. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for reliable connections. Constructed with high-strength aluminum shells and offered in various plating options, including RoHS-certified finishes, they ensure durability and compliance. Perfect for military and industrial applications, MIL-DTL-38999 Series I connectors deliver secure and efficient electrical connections in harsh environments.