NAS1189 Flat Head Alloy Steel Screw

The NAS1189 series screw is a precision-engineered fastener designed for demanding aerospace and defense applications. With its robust construction and adherence to aerospace-grade standards, this screw is suitable for environments requiring high tension and vibration resistance.

This screw is crafted from 8740 alloy steel, specified under AMS6322, AMS6325, and AMS6327. The material choice ensures the product maintains a tensile strength of 160 KSI, making it reliable for critical applications. The screw features UNJ aerospace thread profiles, which enhance fatigue resistance and ensure a secure fit in high-stress environments. Multiple finish options and locking elements, including patch, strip, and pellet, provide versatility to meet specific application requirements.

The NAS1189 series is commonly utilized in aircraft structural assemblies, aerospace engine components, and spacecraft assemblies, where reliability and performance under high-vibration and high-temperature conditions are essential. It is also suitable for defense systems and other high-tension applications, ensuring secure fastening in critical environments. The product aligns with related standards such as NAS1189-02, NAS1189-04, and others, supporting its integration into a wide range of industry-specific systems.