S-91475A508 0.564" ID x 0.965" OD ASME B18.21.1; MS35338-144 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications
• Corrosion-resistant Black-Oxide 18-8 Stainless Steel construction ensures long-term durability in harsh environments
• Precision-engineered 0.564" ID provides secure fit for 9/16" screw applications
• Rockwell C35 hardness rating maintains structural integrity under heavy loads
• ASME B18.21.1 and MS35338-144 compliance guarantees consistent quality and reliability
• RoHS 3 and REACH environmental compliance meets strict international regulatory standards
• Standard split lock design offers easy installation and reliable spring tension

Professional Applications & Engineering Value

These split lock washers provide critical vibration-dampening capabilities for industrial machinery, automotive assemblies, and heavy equipment applications. The Black-Oxide 18-8 Stainless Steel material delivers exceptional corrosion resistance while the precise 0.564" ID ensures perfect compatibility with 9/16" screw fasteners. Engineered to ASME B18.21.1 specifications, these washers maintain consistent spring tension and locking force even under extreme vibration conditions. The Rockwell C35 hardness provides optimal balance between flexibility and strength, preventing deformation while maintaining reliable locking performance in demanding industrial environments.

Specification Summary & Compliance

This standard split lock washer features precise dimensional specifications including 0.564" ID, 0.965" OD, and 0.141" thickness. Manufactured to meet ASME B18.21.1 and MS35338-144 standards, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict regulatory adherence.