

D38999/20MD18SN
Introducing the D38999/20MD18SN NA Amphenol connector, a state-of-the-art solution designed for the most challenging environments and demanding applications. This rugged, high-performance circular connector is part of Amphenol’s D38999 series III connectors, offering unmatched reliability, durability, and performance for aerospace, military, and industrial applications.
The D38999/20MD18SN NA features an 18-position insert arrangement with size 22D contacts, capable of accommodating a wide range of wire sizes and types, ensuring versatility across various applications. This connector is engineered to meet or exceed the stringent requirements of MIL-DTL-38999 Series III specifications, making it a perfect choice for critical missions where failure is not an option.
Constructed from high-quality materials, the shell is made from durable aluminum alloy with a conductive cadmium over nickel plating, providing excellent environmental resistance and electrical conductivity. This robust design ensures protection against moisture, dust, and other contaminants, while also offering superior resistance to shock and vibration. The connector’s olive drab cadmium plating not only provides environmental protection but also ensures compatibility with existing systems and equipment.
The D38999/20MD18SN NA features a unique triple-start ACME thread coupling mechanism, allowing for quick and secure mating and unmating, saving valuable time during critical operations. This feature, combined with its self-locking mechanism, ensures a firm and reliable connection even in the most challenging environments.
For added flexibility, the connector supports a variety of contact types, including crimp, PCB, and solder, allowing for easy integration into any system. The rear-removable crimp contacts facilitate easy maintenance and field repair, minimizing downtime and extending the lifecycle of the connector.
Safety and reliability are paramount, and the D38999/20MD18SN NA excels in both. It features an electroless nickel plating option for enhanced corrosion resistance, making it suitable for marine and other harsh environmental applications. Additionally, its 500 mating cycles ensure a long service life, offering peace of mind through countless operations.
Whether you’re engineering advanced aerospace systems, deploying critical military hardware, or developing rugged industrial equipment, the D38999/20MD18SN NA Amphenol connector provides a reliable, high-performance connection solution that won’t let you down. Trust Amphenol to keep your projects connected under the toughest conditions.