MIL-DTL-38999 Series II connectors offer high-density connectivity with up to 128 contacts, ensuring reliable performance in harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for optimal protection. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. With 52 insert arrangements and M39029 rear release crimp contacts, customization is easy for different applications. Made from durable aluminum shells with plating options including electroless nickel and cadmium-free finishes, these connectors meet stringent military specifications for quality and reliability. Suitable for a service class of E, they are ideal for demanding industrial and military applications where rugged performance is essential.