S-92962A121 1.024" ID x 1.478" OD ASME B18.21.1 Split Lock Washers for Socket Head Screws

Key Features & Benefits at a Glance

• Superior vibration resistance prevents loosening under dynamic loads, ensuring long-term joint integrity in demanding applications
• Black-oxide steel construction provides excellent corrosion resistance and durability in harsh industrial environments
• Rockwell C38 hardness rating delivers optimal spring tension and maintains locking force through repeated use cycles
• ASME B18.21.1 compliance guarantees dimensional accuracy and performance reliability for engineering-critical assemblies
• Precise 1.024" ID and 1.478" OD dimensions ensure perfect fitment with 1" fasteners while providing maximum contact surface
• RoHS 3 and REACH compliance meets international environmental standards for safe use across global manufacturing operations
• 0.25" thickness offers substantial material strength without compromising installation flexibility

Professional Applications & Engineering Value

This heavy-duty split lock washer addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and structural applications. The black-oxide steel material provides essential corrosion protection while maintaining the spring tension necessary for reliable locking performance. Engineered to ASME B18.21.1 standards, this washer delivers consistent dimensional precision for 1" fastener systems, ensuring proper fit and function in high-vibration environments. The split lock design creates continuous upward force against the bolt head or nut, effectively resisting rotational loosening caused by machinery operation, thermal cycling, or dynamic loading conditions. This makes it ideal for industrial fastening applications where maintenance access is limited and reliability is paramount.

Specification Summary & Compliance

This split lock washer features precise inch system dimensions with 1.024" inner diameter, 1.478" outer diameter, and 0.25" thickness, specifically designed for 1" screw applications. Manufactured to ASME B18.21.1 specifications with Rockwell C38 hardness ensuring proper spring characteristics. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components.