MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The aluminum shells come with plating options including electroless nickel and cadmium finishes, ensuring durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and reliable connections. Meeting military specification MIL-DTL-38999 II, they are suitable for rugged military and aerospace environments.