The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for various applications. Available in different mounting styles such as front and rear wall mount, jam nut, and box mount, they provide versatility in installation. Featuring aluminum shells with various plating options including cadmium-free finishes, they ensure reliable performance and durability. Compliant with military specification MIL-DTL-38999 II, these connectors are ideal for demanding military and aerospace applications.