The MIL-DTL-38999 Series II connectors offer high performance in harsh environments, featuring up to 128 contacts within an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting styles like front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors, compliant with military specification MIL-DTL-38999 II, are constructed with aluminum shells and come with different plating options, including cadmium-free finishes. Equipped with gold-plated removable crimp contacts, they ensure reliable conductivity. With a service rating of I and a service class of E, these connectors guarantee durability and performance, making them suitable for use in environmentally challenging conditions.