S-91235A126 0.519" ID x 1.179" OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress industrial environments
• 18-8 stainless steel construction provides excellent corrosion resistance and long-term durability
• Rockwell C38 hardness rating ensures consistent spring performance and load distribution
• Precision inch dimensions (0.519" ID, 1.179" OD) guarantee perfect fit for 1/2" fasteners
• Environmental compliance meets RoHS 3 and REACH standards for global industrial applications
• Optimized thickness range (0.091-0.099") delivers reliable spring tension and compression recovery
• Heavy-duty design withstands repeated loading cycles in demanding mechanical assemblies

Professional Applications & Engineering Value

This 18-8 stainless steel spring lock washer delivers critical vibration resistance in industrial fastening systems where mechanical stress and thermal cycling threaten joint integrity. The spring lock design maintains constant tension under dynamic loads, preventing catastrophic fastener failure in machinery, automotive assemblies, and heavy equipment. Manufactured from corrosion-resistant stainless steel, it outperforms carbon steel alternatives in humid or chemical environments while providing consistent spring performance through Rockwell C38 hardness certification. The precision inch system dimensions ensure seamless integration with standard 1/2" fasteners, making it ideal for maintenance, manufacturing, and OEM applications requiring reliable, long-term fastening solutions.

Specification Summary & Compliance

This spring lock washer features precise inch system dimensions with 0.519" internal diameter and 1.179" outer diameter, specifically engineered for 1/2" screw applications. The 18-8 stainless steel material and Rockwell C38 hardness ensure consistent mechanical performance across temperature variations and loading conditions. Manufacturing complies with international environmental standards including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance (updated 06/14/2023, 235 SVHC), making it suitable for global industrial distribution and environmentally conscious procurement specifications.