The MIL-DTL-38999 Series II connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are designed for reliability in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile installation options. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors meet stringent military specifications for performance and durability. Perfect for demanding applications requiring rugged and reliable electrical connections, the MIL-DTL-38999 Series II connectors are essential components in mission-critical systems.