MIL-DTL-38999 Series II connectors offer rugged reliability in harsh environments, with up to 128 contacts housed in an insert. These environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation options. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide flexibility for different applications. Constructed with aluminum shells and offered in RoHS compliant finishes, including gold plating, electroless nickel, and anodized aluminum, they guarantee durability and performance. Suitable for military and industrial use, the MIL-DTL-38999 II connectors are ideal for demanding connectivity needs.