MIL-DTL-38999 Series II connectors offer robust connectivity solutions with up to 128 contacts in a secure insert. Designed for harsh environments, these connectors are environmentally sealed and can withstand temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front wall, rear wall, and box mounts, they ensure versatile installation. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for reliable performance. Constructed with durable aluminum shells and offered in multiple plating options such as gold, electroless nickel, and cadmium finishes, they guarantee long-lasting durability. RoHS compliant versions are also available, meeting environmental standards. Perfect for military applications and beyond, these connectors provide efficient and secure electrical connections in demanding settings.