MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh operating conditions with a temperature range of -65 °C to 200 °C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer reliable performance in demanding environments. Utilizing M39029 rear release crimp contacts, they come in aluminum shells with multiple plating options, ensuring durability and corrosion resistance. With RoHS certified finishes available, these connectors are ideal for military, aerospace, and industrial applications requiring high-reliability connectivity.