S-91007A636 0.322" ID x 0.594" OD ASME B18.21.1 Oversized Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications
• 18-8 stainless steel construction provides excellent corrosion resistance and durability
• Rockwell C35 hardness rating ensures reliable spring action and long-term performance
• Precision-engineered dimensions (0.322" ID x 0.594" OD) guarantee perfect fit for 5/16" fasteners
• ASME B18.21.1 compliance assures consistent quality and engineering standards
• RoHS 3 and REACH compliant meets environmental regulations for global industrial use
• Standard split lock design offers easy installation and reliable locking security

Professional Applications & Engineering Value

This 5/16" split lock washer delivers exceptional vibration resistance in demanding industrial environments where mechanical fasteners are subjected to constant stress and movement. The 18-8 stainless steel material provides superior corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor conditions. The split lock washer design creates continuous spring tension that maintains clamping force, preventing loosening in machinery, automotive assemblies, and industrial equipment. Engineered to ASME B18.21.1 specifications, this standard lock washer ensures reliable performance in critical fastening applications where safety and reliability are paramount. The combination of Rockwell C35 hardness and precise dimensional tolerances guarantees consistent locking action across thousands of cycles.

Specification Summary & Compliance

This split lock washer features precise dimensions of 0.322" inner diameter, 0.594" outer diameter, and 0.097" thickness, specifically designed for 5/16" screw applications. Manufactured to ASME B18.21.1 standards for standard type split lock washers, it ensures dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components. The 18-8 stainless steel construction combined with Rockwell C35 hardness provides consistent mechanical properties and corrosion resistance for long-term service life.