MIL-DTL-38999 Series II connectors are designed for demanding environments, offering up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors provide reliable performance in extreme conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they are versatile for different applications. The connectors come in aluminum shells with options for plating, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Suitable for military and industrial use, these connectors meet stringent quality standards for durability and performance.