The MIL-DTL-38999 Series I connectors feature up to 128 contacts within an insert, designed for harsh environments with a wide operating temperature range from -65 °C to 200 °C. Available in various mounting options including front wall mount, rear wall mount, and jam nut receptacles, they offer reliable RFI grounding. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure connections. Crafted from high-strength aluminum shells, they come in multiple plating options such as electroless nickel, providing durability. RoHS certified for environmental compliance, these connectors are ideal for military and industrial applications requiring rugged performance in demanding conditions.