MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting styles 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 such as gold, electroless nickel, and cadmium finishes, they ensure durability and conductivity. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. RoHS compliant options are also available, making them suitable for diverse applications requiring environmental resilience.