MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors come in aluminum shells with options for plating, including cadmium-free finishes. With M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors ensure reliable connectivity. Meeting military specification MIL-DTL-38999 II, they provide a high level of performance in demanding environments, making them ideal for aerospace, defense, and industrial applications.