MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a secure insert, designed for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs, they ensure reliable operation in demanding conditions. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for military and aerospace applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for efficient installation. Constructed with high-strength aluminum shells and offering multiple plating options, including cadmium-free finishes, these connectors meet stringent industry standards for durability and performance. Suitable for use in diverse environments, they provide reliable connectivity in critical systems.