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 from -65 °C to 200 °C, these connectors offer reliable performance in demanding conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse connectivity needs. The aluminum shells come with options for plating, such as cadmium-free finishes, ensuring compliance with RoHS standards. With M39029 rear release crimp contacts and gold plating, they deliver excellent conductivity and durability. Meeting military specification MIL-DTL-38999 II, these connectors are suitable for applications requiring rugged and secure electrical connections.