MIL-DTL-38999 Series II connectors are designed for 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 offer reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The connectors come in aluminum shells with plating options including cadmium-free finishes, ensuring durability and compliance with RoHS standards. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Suitable for military and industrial use, these MIL-DTL-38999 Series II connectors are ideal for demanding environments that require high-performance connectivity.