The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert that is environmentally sealed. Operating between -65 °C and 200 °C, these connectors offer durability and reliability. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse applications. With 52 insert arrangements and M39029 crimp contacts, they ensure secure connections. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they meet stringent quality standards. Suited for military and industrial use, these connectors provide optimal performance in demanding conditions.