MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are built to withstand extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Featuring aluminum shells with options for plating finishes such as gold, electroless nickel, and cadmium-free coatings, they ensure reliable conductivity. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections in military applications. Meeting MIL-DTL-38999 II specifications, they are ideal for use in demanding environments that require rugged and durable connectivity solutions.