The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert for versatile connectivity. With a wide 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 provide flexibility in installation. Featuring aluminum shells with options for plating including cadmium and nickel, they ensure durability and reliable performance. Compliant with military specification MIL-DTL-38999 II, these connectors are suitable for use in defense and aerospace industries.