MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating between -65°C and 200°C, they offer reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors meet rigorous military specifications. With gold plated removable crimp contacts, they ensure secure and durable connections. The aluminum shells come in different plating options, including electroless nickel and cadmium finishes. RoHS compliant versions are also available, making them suitable for diverse applications requiring high reliability.