S-92146A611 1.663" ID x 2.553" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress industrial applications
• 18-8 stainless steel construction provides excellent corrosion resistance and durability in harsh environments
• Precision-engineered dimensions (1.663" ID, 2.553" OD) ensure perfect fit for 1 5/8" screw applications
• Rockwell C35 hardness rating delivers exceptional strength and spring tension for reliable locking performance
• ASME B18.21.1 compliance guarantees consistent quality and dimensional accuracy
• RoHS 3 and REACH environmental certifications ensure safe, compliant use across global markets
• Heavy-duty 0.389" thickness provides maximum load distribution and mechanical stability

Professional Applications & Engineering Value

This split lock washer delivers critical vibration-resistant performance in demanding industrial settings where fastener security is paramount. The 18-8 stainless steel material composition offers superior corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor elements. Engineered with precision inch system measurements and manufactured to ASME B18.21.1 standards, this washer maintains consistent spring tension and locking force even under extreme vibration conditions. The split design creates continuous upward force that counters rotational loosening, solving common maintenance issues in heavy machinery, construction equipment, and industrial assembly lines. With its Rockwell C35 hardness and robust thickness, this washer provides reliable performance in automotive, manufacturing, and infrastructure applications where safety and reliability cannot be compromised.

Specification Summary & Compliance

This standard split lock washer features precise dimensional specifications with 1.663" inner diameter, 2.553" outer diameter, and 0.389" thickness, designed specifically for 1 5/8" screw applications. Manufactured in compliance with ASME B18.21.1 standards for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) environmental regulations, ensuring safe use across international markets. Material certification confirms 18-8 stainless steel composition with Rockwell C35 hardness rating for consistent mechanical properties and reliable performance in industrial fastening systems.