S-90134A045 0.227" ID x 0.5" OD Wave Spring Lock Washers

Key Features & Benefits at a Glance

• Superior Spring Force: Wave design provides consistent tension and compensation for thermal expansion/contraction in assemblies, preventing loosening under vibration.
• Exceptional Durability: Made from high-strength steel with a Rockwell C52 hardness rating, ensuring long service life and resistance to deformation under load.
• Precision Fit for No. 12 Screws: With an exact 0.227" ID, this washer guarantees a perfect fit, enhancing assembly accuracy and reducing the risk of misalignment.
• Optimal Load Distribution: The 0.5" OD offers a wider bearing surface, distributing pressure evenly to protect components from damage.
• Reliable Compliance for Global Markets: RoHS 3 and REACH compliant, meeting stringent international environmental and safety regulations for worry-free sourcing and use.
• Space-Efficient Design: With a compact 0.06" overall height and 0.010" thickness, it's ideal for applications with limited axial space without sacrificing performance.
• Versatile Industrial Application: Suitable for a wide range of machinery, automotive, and electronics where inch-system fasteners are used, providing reliable performance in demanding environments.

Professional Applications & Engineering Value

This steel wave washer is engineered to address common challenges in industrial assemblies, such as vibration-induced loosening and thermal expansion. Its unique wave structure acts as a spring, maintaining constant pressure between connected parts, which is critical for No. 12 screw applications in machinery and equipment. The high Rockwell C52 hardness ensures it withstands repeated compression cycles without losing elasticity, making it ideal for heavy-duty environments. In sectors like automotive manufacturing or electronics, where precision and reliability are paramount, this washer helps prevent fastener failure, reduces maintenance needs, and extends the lifespan of assemblies. Its compliance with RoHS 3 and REACH standards further supports sustainable and safe engineering practices, ensuring it meets global regulatory demands.

Specification Summary & Compliance

This wave washer features precise dimensions: 0.227" ID and 0.5" OD with a thickness of 0.010" and overall height of 0.06", designed for use with No. 12 screw sizes in inch-based systems. It is manufactured from high-grade steel with a hardness of Rockwell C52 to ensure durability and performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and health safety standards for industrial applications.