MIL-DTL-38999 Series II connectors are highly durable and versatile, featuring up to 128 contacts within an insert. These connectors are designed for harsh environments, with an operating temperature range of -65 °C to 200 °C. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. With 52 insert arrangements and utilizing M39029 rear release crimp contacts, they ensure reliable connections. Constructed with aluminum shells and offered in different plating options including gold, electroless nickel, and cadmium finishes, these connectors meet stringent military specifications. Suitable for applications requiring rugged performance, they are RoHS compliant and designed for long-lasting use.