MIL-DTL-38999 Series II connectors with up to 128 contacts are designed for harsh environments, offering reliable performance in extreme conditions. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile and durable. With an operating temperature range of -65 °C to 200 °C, they are suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Available in aluminum shells with different plating options, including RoHS compliant finishes, these connectors provide excellent conductivity and ingress protection. Ideal for military and industrial use, they meet stringent MIL-DTL-38999 II specifications for performance and reliability.