MIL-DTL-38999 Series II connectors feature a rugged design ideal for harsh environments, with up to 128 contacts in an insert for versatile connectivity. These connectors are environmentally sealed and can operate in extreme temperatures ranging from -65°C to 200°C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. The connectors come in aluminum shells with plating options including cadmium-free finishes, ensuring durability and compliance with RoHS regulations. Utilizing M39029 rear release crimp contacts, they provide reliable performance with gold plating for enhanced conductivity. Suitable for military and industrial applications, these connectors meet MIL-DTL-38999 II specifications, guaranteeing quality and performance in demanding scenarios.