MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in demanding conditions. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, and more, they provide flexibility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Constructed with aluminum shells and offered in multiple plating options including electroless nickel and cadmium finishes, they meet stringent military specifications. The gold-plated contacts, along with their conductive nature, guarantee excellent signal transmission. Suitable for Box Mounting Flange receptacles, these connectors are ideal for use in environments requiring high reliability and durability.