S-90391A156 0.989" ID x 1.719" OD ANSI/ABMA 8.2 Spring Lock Washers for Slotted Bearing Nuts
Spring Lock Washers for Slotted Bearing Nuts
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through conical spring design that maintains constant tension under dynamic loads
- Enhanced locking security with external teeth that bite into mating surfaces for reliable anti-loosening performance
- Precision compatibility with 0.969"-32 screw sizes and chamfered bearing nuts for seamless assembly integration
- Certified reliability meeting ANSI/ABMA 8.2 standards for consistent dimensional accuracy and performance
- Durable steel construction providing excellent strength and corrosion resistance in demanding industrial environments
- Environmental compliance with RoHS 3 and REACH regulations for safe use across global markets
- Optimized dimensions (0.989" ID, 1.719" OD) ensuring proper fit and maximum contact surface area
Professional Applications & Engineering Value
This spring lock washer delivers critical vibration-dampening performance in high-stress mechanical assemblies where reliable locking is essential. The conical shape and external teeth work synergistically to prevent fastener loosening caused by machinery vibration, thermal cycling, and dynamic loading conditions. Made from durable steel, this washer maintains its spring properties under repeated compression cycles, making it ideal for industrial equipment, automotive systems, and heavy machinery applications. The ANSI/ABMA 8.2 certification ensures dimensional precision and consistent performance, while the specific design accommodates 0.969"-32 screw sizes with chamfered bearing nuts for smooth installation and optimal force distribution.
Specification Summary & Compliance
This spring lock washer features precise dimensions including 0.989" inner diameter, 1.719" outer diameter, and 0.054" thickness with conical shape and external tooth configuration. Manufactured to ANSI/ABMA 8.2 standards for dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications while maintaining superior locking capabilities.
