The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for versatile connectivity. With a wide operating temperature range of -65 °C to 200 °C and environmental sealing, they ensure reliable performance in demanding conditions. Available in various mounting styles such as front wall, rear wall, jam nut, and box mount receptacles, as well as straight and 90-degree cable clamp plugs, they offer flexibility in installation. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they meet RoHS compliance standards. Ideal for military and industrial applications, the MIL-DTL-38999 Series II connectors provide durability and conductivity, with a service rating of E and a mating life of 500 cycles.