The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors are suitable for a wide range of applications. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Featuring aluminum shells with options for plating such as cadmium-free finishes, they ensure durability and reliable performance. The connectors utilize M39029 rear release crimp contacts, with options for different contact sizes. Meeting MIL-DTL-38999 II military specifications, they are ideal for use in demanding situations where ruggedness and performance are essential.