The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering excellent environmental sealing. With an operating temperature range of -65 °C to 200 °C, they provide reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile for different applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure secure connections. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, these connectors are durable and compliant with RoHS regulations. Perfect for military and industrial use, they meet MIL-DTL-38999 II specifications for quality and performance assurance.