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 offer reliable performance in extreme conditions. Available in various mounting styles, including wall mount and jam nut receptacles, they are versatile for different applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The aluminum shells come in different plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial use, these connectors meet stringent standards for durability and reliability.