The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mount types including wall mount and jam nut receptacles, they offer flexibility in installation. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. The aluminum shells come in different plating options such as electroless nickel and cadmium finishes. Meeting military specifications, these connectors are ideal for use in demanding environments where durability and performance are essential.