The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors are constructed with aluminum shells and offer multiple plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Meeting MIL-DTL-38999 II military specifications, these connectors are suitable for use in rugged environments where durability and performance are crucial.