MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. These environmentally sealed connectors operate reliably in temperatures ranging from -65 °C to 200 °C, making them suitable for a wide range of applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount, they provide versatility in installation. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, these connectors offer flexibility for different requirements. Constructed with aluminum shells and featuring plating options such as electroless nickel, they ensure durability and reliability. Meeting MIL-DTL-38999 II military specifications, these connectors are ideal for demanding applications where rugged performance is essential.