MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in demanding conditions. Available in various mounting styles such as front wall mount, rear wall mount, and jam nut receptacles, they offer versatility for different applications. The connectors come in aluminum shells with options for plating including cadmium-free finishes, ensuring compliance with RoHS regulations. With M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Suitable for military and industrial use, they are ideal for applications requiring durability and high performance in extreme environments.