The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for reliable connectivity. With front and rear wall mount options, as well as jam nut and box mount receptacles, they offer versatile installation. These connectors, constructed with aluminum shells, are environmentally sealed and can withstand temperatures ranging from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they ensure secure connections in a variety of applications. Available in an assortment of plating options, including RoHS certified finishes, they provide durability and performance. Suitable for military and industrial use, these connectors are ideal for demanding environments where reliability is crucial.