MIL-DTL-38999 Series II connectors are essential components for demanding environments, offering up to 128 contacts in a single insert. These connectors provide reliable performance in extreme conditions, with an operating temperature range from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse connectivity needs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts, ensuring secure and efficient connections. Constructed with aluminum shells and offering a range of plating options, including cadmium-free finishes, they meet stringent military specifications for durability and performance. Perfect for applications requiring EMI/RFI shielding, these connectors are the ideal choice for aerospace, defense, and industrial settings.