MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. These connectors are environmentally sealed, with a wide operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they feature thin walls and restricted lengths for space-saving installations. With options for straight, RFI grounding, and standard plugs, they accommodate different cable clamp angles. Utilizing M39029 rear release crimp contacts in various sizes, these connectors ensure secure and reliable connections. Constructed with aluminum shells and a range of plating options, including RoHS compliant finishes, they meet stringent military specifications for performance and durability in demanding applications.