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