MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, jam nut, and box mount receptacles, they offer versatile connectivity solutions. These connectors, compliant with military specification MIL-DTL-38999 II, guarantee reliability in extreme conditions with an operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they use M39029 rear release crimp contacts for secure connections. Crafted from aluminum, with plating options like electroless nickel and cadmium finishes, they ensure durability and performance. Suitable for demanding applications, these connectors provide EMI/RFI shielding and are ideal for military and aerospace industries.