MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert and offering environmental sealing. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. The connectors come in aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free coatings. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity. Ideal for military and aerospace applications, these connectors meet stringent MIL-DTL-38999 II specifications.