The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they ensure secure and reliable connections. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide flexibility and ease of installation. Constructed with durable aluminum shells and offering multiple plating options, including RoHS-certified finishes, they guarantee long-lasting performance. Suitable for military and industrial use, these connectors are essential for maintaining signal integrity in challenging environments.