The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering reliable performance with up to 128 contacts in an insert. These circular connectors are environmentally sealed, ensuring durability in extreme conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. With a wide operating temperature range from -65 °C to 200 °C, they are suitable for demanding industrial and military environments. Available in aluminum shells with multiple plating options, including RoHS-certified finishes, these connectors provide excellent corrosion resistance. Utilizing M39029 rear release crimp contacts, they offer secure and efficient connections. Perfect for applications requiring high reliability and performance, the MIL-DTL-38999 Series II connectors are a trusted choice in the industry.