MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts housed in an insert. With a wide operating temperature range of -65 °C to 200 °C, they are ideal for demanding applications. These connectors come in various configurations, including front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with multiple plating options, such as cadmium and nickel, they offer reliable performance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Meeting military specification MIL-DTL-38999 II, these connectors are suitable for aerospace, defense, and industrial uses.