MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles like front wall, rear wall, jam nut, and box mount receptacles, these connectors ensure versatile installation. Featuring straight, RFI grounding, and standard plugs with 90-degree cable clamps, they accommodate diverse connectivity needs. Compliant with military specifications, these connectors boast durable construction with aluminum shells and a range of plating options including cadmium-free finishes. With M39029 rear release crimp contacts, they guarantee secure and efficient connections, making them ideal for demanding applications in aerospace, defense, and industrial settings.