MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an insert, featuring front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles. Designed for harsh environments, they ensure reliable performance with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, they come in plating options including cadmium and nickel for corrosion resistance. With RoHS compliant finishes, these connectors meet stringent environmental standards, making them ideal for military and aerospace applications.