S-92164A335 0.768" ID x 1.26" OD ASME B18.21.1 External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with external teeth that bite into mating surfaces, preventing loosening under dynamic loads
• Durable bronze construction with Rockwell B60 hardness provides excellent corrosion resistance and maintains performance in harsh environments
• Precision inch dimensions (0.768" ID x 1.26" OD) ensure perfect fit for 3/4" fasteners and reliable assembly
• ASME B18.21.1 compliance guarantees consistent quality and interchangeability in industrial applications
• Environmental compliance with RoHS 3 and REACH regulations ensures safe use in regulated industries
• Optimized thickness range (0.047-0.055") provides consistent spring action and reliable locking force
• External tooth configuration offers maximum surface contact for enhanced grip on larger bearing surfaces

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this bronze tooth lock washer delivers exceptional performance where vibration resistance is critical. The external tooth design creates multiple biting points that securely lock fasteners in place, preventing rotational loosening in machinery, heavy equipment, and structural applications. The bronze material with Rockwell B60 hardness offers superior corrosion resistance compared to steel alternatives, making it ideal for marine, chemical processing, and outdoor applications where moisture and corrosive elements are present. The precise 3/4" screw size compatibility and ASME B18.21.1 compliance ensure reliable performance in high-stress assemblies, providing engineers with a trusted solution for maintaining joint integrity in vibrating systems.

Specification Summary & Compliance

This bronze tooth lock washer features precise dimensional specifications with 0.768" inner diameter, 1.26" outer diameter, and thickness ranging from 0.047" to 0.055" for consistent performance. Manufactured to ASME B18.21.1 standards for tooth lock washers, it ensures proper tooth configuration and material properties. The washer is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety requirements for industrial components. The external tooth location provides optimal locking action for standard industrial applications requiring reliable vibration resistance.