MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors are suited for demanding applications. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells, they come in plating options such as cadmium and electroless nickel, ensuring durability. The connector family includes front and rear wall mount, as well as jam nut receptacles, with RFI grounding plugs for added versatility. Compliant with military specification MIL-DTL-38999 I, these connectors are ideal for aerospace, defense, and industrial use, offering RoHS-certified finishes for environmental compliance.