MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for military and aerospace applications. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with plating options including cadmium and nickel for durability. With RoHS compliant finishes, they ensure environmental safety. Suitable for both plug and receptacle applications, these connectors provide reliable connectivity in demanding settings.