MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts within an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in harsh conditions. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and more, they provide flexibility for different applications. The connectors come in aluminum shells with plating options including cadmium-free finishes, ensuring compliance with RoHS regulations. Incorporating M39029 rear release crimp contacts, they guarantee secure connections, with a service rating of M. Suitable for potting applications, these connectors are ideal for military and industrial use.