The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors meet stringent military specifications. Constructed with aluminum shells and offering multiple plating options, they ensure durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, these connectors provide secure and efficient connections. Suitable for applications requiring high reliability, they are ideal for aerospace, defense, and industrial use.