The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within a sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors come in aluminum shells with options for plating, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Ideal for military and aerospace applications, these connectors meet stringent MIL-DTL-38999 II standards for durability and performance.