MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an insert. Designed for harsh environments, these connectors are sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for reliable connections. Crafted from aluminum with multiple plating options including cadmium-free finishes, they ensure durability and compliance with RoHS regulations. Suitable for military and industrial use, these connectors guarantee secure and efficient electrical connections in demanding settings.