The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are versatile and durable. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to different installation needs. Featuring 52 insert arrangements with M39029 rear release crimp contacts, these connectors ensure reliable connectivity. Constructed with aluminum shells and offered in a range of plating options, including RoHS certified finishes, they meet stringent quality standards. Perfect for military and industrial applications, these connectors provide reliable performance in demanding conditions.