S-90464A230 2.182" ID x 3.109" OD ANSI/ABMA 8.2 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Superior locking performance with external tooth configuration that bites into mating surfaces to prevent loosening under vibration and dynamic loads
• Exceptional corrosion resistance thanks to stainless steel construction, ensuring long-term reliability in harsh industrial environments
• Precision dimensional compatibility with 2.157"-18 screws and chamfered bearing nuts for perfect fit and optimal load distribution
• Heavy-duty conical design that maintains consistent spring tension and locking force throughout the washer's service life
• Industry-standard compliance with ANSI/ABMA 8.2 specifications, guaranteeing consistent quality and performance
• Environmental regulation compliance with RoHS 3 and REACH standards, making them suitable for regulated industries worldwide
• Optimized for inch-system applications with precise 2.182" ID and 3.109" OD dimensions for seamless integration into existing assemblies

Professional Applications & Engineering Value

This stainless steel spring lock washer delivers critical vibration resistance in demanding industrial applications where fastener security is paramount. The conical shape and external tooth configuration work synergistically to create a powerful locking mechanism that compensates for thermal expansion, material relaxation, and dynamic loading conditions. Engineered specifically for 2.157"-18 screw applications, these washers prevent rotational loosening in heavy machinery, structural assemblies, and precision equipment. The stainless steel material provides excellent corrosion resistance, making them ideal for chemical processing, marine environments, and outdoor applications where moisture and corrosive elements are present. By maintaining consistent spring force and meeting ANSI/ABMA 8.2 standards, these washers eliminate the need for additional locking devices, reducing assembly complexity while enhancing long-term reliability.

Specification Summary & Compliance

This spring lock washer features precise dimensional specifications including 2.182" ID, 3.109" OD, 0.068" thickness, and 0.225" overall height with external tooth location. Manufactured to meet ANSI/ABMA 8.2 specifications for dimensional accuracy and performance requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Designed specifically for use with 2.157"-18 screws and chamfered bearing nuts in inch system applications.