S-91235A216 0.644" ID x 1.5" OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance maintains consistent clamping force in high-stress applications
• Excellent corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh environments
• Optimized spring tension with precise 0.130-0.140" thickness provides reliable locking action
• Enhanced durability with Rockwell C38 hardness withstands repeated loading cycles
• Perfect fit for 5/8" fasteners with 0.644" ID ensures easy installation and secure seating
• Broad contact surface with 1.5" OD distributes load evenly across joined materials
• Full regulatory compliance with RoHS 3 and REACH standards meets international environmental requirements

Professional Applications & Engineering Value

This 5/8" spring lock washer delivers exceptional engineering value in demanding industrial environments where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction provides superior performance in chemical processing, marine applications, and outdoor equipment where moisture and corrosive elements threaten fastener integrity. The precise spring lock design creates constant tension that prevents loosening under dynamic loads, making it ideal for machinery, automotive assemblies, and structural applications. With its Rockwell C38 hardness rating, this washer maintains its spring properties through repeated compression cycles, ensuring long-term reliability in heavy-duty fastening systems where failure is not an option.

Specification Summary & Compliance

This spring lock washer features inch system dimensions with 0.644" internal diameter, 1.5" outer diameter, and 0.130-0.140" thickness range for precise fitment. Manufactured to industry standards for lock washers, it demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC requirements. The 18-8 stainless steel material and Rockwell C38 hardness ensure consistent performance across industrial applications requiring reliable vibration resistance and corrosion protection.