The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring a wide operating temperature range from -65 °C to 200 °C, these connectors are environmentally sealed for reliable performance. Available in various mounting options like front wall mount, rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. With 52 insert arrangements and M39029 rear release crimp contacts in multiple sizes, these connectors ensure secure and efficient connections. Crafted from durable aluminum with plating options including gold, electroless nickel, and cadmium-free finishes, they guarantee long-lasting quality. Suitable for military and industrial applications, the MIL-DTL-38999 Series II connectors provide conductive and environment-resistant solutions for critical operations.