MIL-DTL-38999 Series I connectors offer high-performance connectivity for demanding environments. With up to 128 contacts in an insert, these connectors are designed to be environmentally sealed and operate flawlessly in temperatures ranging from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatility in installation. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells and offering a choice of plating options, including RoHS-certified finishes, these connectors ensure durability and reliability. Ideal for military and industrial applications, they meet the stringent specifications of MIL-DTL-38999 I, guaranteeing performance excellence in every use case.