MIL-DTL-38999 Series II connectors offer robust performance in harsh environments with up to 128 contacts housed in an environmentally sealed insert. Operating at temperatures ranging from -65 °C to 200 °C, these connectors come in various configurations including front and rear wall mounts, jam nut, and box mounts. Featuring straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Available in aluminum shells with plating options such as cadmium and nickel, these connectors meet stringent military specifications for reliability.