MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a rugged insert design. Engineered for harsh environments, these connectors feature front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs. With a wide range of shell sizes and insert arrangements, they accommodate diverse applications, using M39029 rear release crimp contacts. The connectors, made of high-strength aluminum, come in various plating options, including cadmium-free finishes for RoHS compliance. Operating in temperatures ranging from -65°C to 200°C, they ensure reliable performance in demanding conditions. Suitable for military and industrial use, these connectors provide secure and efficient connections, meeting stringent standards for durability and functionality.