MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in a single insert. These connectors are environmentally sealed, ensuring reliable performance in extreme conditions with an operating temperature range from -65 °C to 200 °C. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, rear box mount, and front box mount, they provide flexibility for different applications. With options for straight, RFI grounding, and standard plugs, along with 52 insert arrangements, they cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Made of durable aluminum, they come in different plating options including cadmium-free finishes for RoHS compliance. Trusted for their quality and performance, MIL-DTL-38999 Series II connectors are ideal for military and aerospace applications, offering reliable and robust connectivity solutions.