MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are built to withstand extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, they offer versatility in installation. The connectors come in aluminum shells with plating options including electroless nickel and cadmium finishes. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Suitable for military and industrial applications, these connectors meet stringent performance standards for durability and reliability.