MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments with a wide operating temperature range of -65 °C to 200 °C. Featuring various mounting options such as front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they ensure versatile installation. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with multiple plating options like electroless nickel and cadmium finishes. With removable crimp contacts and bayonet coupling, they provide secure and reliable connections for mission-critical applications, meeting stringent standards for environmental resistance and durability.