MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for reliable performance. Available in various shell sizes and insert arrangements, they offer flexibility in application. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors ensure durability and compliance. The connector family includes front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in critical operations. Suitable for military and industrial use, these connectors provide a reliable solution for demanding environments.