The MIL-DTL-38999 III (D38999) harsh environment connectors are designed for rugged applications, offering reliable performance in demanding conditions. Available in various configurations including wall mount receptacles, jam nut receptacles, and straight self-locking RFI plugs, they cater to diverse connectivity needs. With 9 shell sizes and 54 insert arrangements utilizing M39029 contacts, these connectors ensure compatibility with a wide range of systems. Crafted from durable materials such as aluminum, stainless steel, and lightweight composite, they guarantee longevity even in challenging environments. The assortment of plating options, including olive drab cadmium, nickel, black zinc nickel, and passivated stainless steel, cater to different industry requirements. With RoHS-compliant and cadmium-free finishes available, as well as Boeing BACC-approved designs, they meet stringent standards for environmental and aerospace applications. The MIL-DTL-38999/26 - Connectors, Electrical, Circular, Plug, Straight, Removable Crimp Contacts, Series III, offer efficient and secure connectivity with their threaded mating type and electroless nickel finish coating. Suitable for temperatures ranging from -65°C to 200°C, these connectors ensure consistent performance in extreme conditions. Conductive and environment-resistant, they provide reliable signal transmission while the female socket contact style and 500-cycle mating life guarantee durability. With a focus on service class F and detail on electroless nickel-plated aluminum shell, these connectors deliver high-quality performance for critical applications.