MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert with reliable environmental sealing. Operating between -65 °C and 200 °C, they provide durability in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors feature thin walls and restricted lengths. With straight, RFI grounding, and standard plug options, they cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. Constructed with aluminum shells and offering plating choices like electroless nickel and cadmium finishes, they prioritize performance and longevity. RoHS compliant options are also available, making them ideal for environmentally conscious applications. The MIL-DTL-38999 II connectors are a reliable solution for demanding military and industrial settings.