S-91235A317 5.2 mm ID x 11.9 mm OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications, ensuring long-term joint integrity
• Exceptional corrosion resistance from 17-7 PH stainless steel construction maintains performance in harsh industrial environments
• Precision dimensional control with 5.2mm ID and 11.9mm OD ensures perfect fit for M5 screw applications
• Optimized spring action with 0.8mm thickness and 1.4mm overall height provides consistent clamping force
• Enhanced durability with Rockwell C38 hardness rating withstands repeated loading cycles without deformation
• Full regulatory compliance with RoHS 3 and REACH standards meets global environmental and safety requirements
• Reliable performance in critical applications where vibration-induced failure is not an option

Professional Applications & Engineering Value

This spring lock washer delivers exceptional engineering value in applications where vibration resistance is critical. The 17-7 PH stainless steel construction provides excellent stress corrosion cracking resistance while maintaining high strength at elevated temperatures, making it ideal for automotive assemblies, industrial machinery, and electronic enclosures. The precision M5 screw size compatibility ensures seamless integration with standard fastening systems, while the optimized spring lock design maintains constant tension under dynamic loads. This vibration resistant washer effectively prevents self-loosening in equipment subjected to continuous motion or impact, reducing maintenance frequency and preventing costly downtime in manufacturing and assembly operations.

Specification Summary & Compliance

This precision spring lock washer features exact dimensional specifications including 5.2mm internal diameter, 11.9mm outer diameter, 0.8mm thickness, and 1.4mm overall height, engineered for perfect compatibility with M5 screw size applications. The component maintains Rockwell C38 hardness for consistent performance under load. Manufacturing complies with industry standards for precision washers and demonstrates full regulatory adherence through RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with the latest SVHC updates, ensuring environmental responsibility and global market acceptance.