S-91235A215 0.669" ID x 1.535" OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 17-7 PH stainless steel construction, ideal for harsh industrial environments
• Exceptional tension retention maintains consistent locking force to prevent fastener loosening under vibration
• Enhanced durability with Rockwell C38 hardness rating for long service life in demanding applications
• Precise dimensional fit with 0.669" ID and 1.535" OD engineered for perfect compatibility with 5/8" screws
• Reliable spring action provides continuous pressure to maintain joint integrity in dynamic load conditions
• Regulatory compliance meets RoHS 3 and REACH standards for safe use in regulated industries
• Heavy-duty performance with 0.131-0.145" thickness range ensuring robust construction for critical applications

Professional Applications & Engineering Value

This 17-7 PH stainless steel spring lock washer delivers exceptional engineering value by solving critical vibration-induced loosening problems in industrial applications. The spring lock design maintains constant tension while the corrosion-resistant material ensures reliable performance in demanding environments including marine, chemical processing, and outdoor equipment. With its Rockwell C38 hardness and precise inch-system dimensions (0.669" ID, 1.535" OD), this washer provides superior locking performance for 5/8" screws in heavy machinery, automotive assemblies, and structural applications where vibration resistance is paramount. The combination of material properties and spring tension mechanism creates an optimal solution for maintaining joint integrity under dynamic loads.

Specification Summary & Compliance

This spring lock washer features inch system dimensions with 0.669" inner diameter, 1.535" outer diameter, and thickness ranging from 0.131" to 0.145" for precise fit with 5/8" screw applications. Manufactured from 17-7 PH stainless steel with Rockwell C38 hardness for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use worldwide.