The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The plugs, including straight and RFI grounding options, feature a 90-degree cable clamp for secure connections. Utilizing M39029 rear release crimp contacts, these connectors ensure efficient contact performance. Constructed with aluminum shells and offered in a range of plating options, including RoHS certified finishes, they meet stringent quality standards. Suitable for military and industrial use, these connectors are ideal for demanding environments where durability and performance are essential.