MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are designed for durability. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. The connectors, made of aluminum, come in different plating options including electroless nickel, providing enhanced corrosion resistance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. RoHS compliant finishes are also available, meeting environmental standards. Ideal for military and industrial use, these connectors guarantee performance and longevity in demanding conditions.