MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in application. The connectors, made of aluminum shells, come with a range of plating options including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for military and industrial use, these connectors are built to withstand rugged environments with their durable construction and RoHS compliance.