MIL-DTL-38999 Series II connectors are designed for demanding environments, offering up to 128 contacts in a rugged insert. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, they ensure reliable performance in harsh conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, these connectors feature thin walls and restricted lengths for space-saving installations. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts in different sizes. Constructed with aluminum shells, they are offered with plating options including cadmium and nickel for corrosion resistance. Ideal for military applications, these connectors meet MIL-DTL-38999 II specifications and provide secure connectivity with gold-plated contacts. Whether for aerospace, defense, or industrial use, these connectors guarantee durability and performance in critical systems.