S-93496A418 0.227" ID x 0.377" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents loosening under dynamic loads, ensuring long-term joint integrity
• Bronze construction with Rockwell B90 hardness provides excellent corrosion resistance and durability in harsh environments
• Precision-engineered 0.227" ID and 0.377" OD dimensions guarantee perfect fit for No. 12 screw applications
• Standard split lock design delivers reliable spring action and consistent locking performance
• ASME B18.21.1 compliance ensures dimensional accuracy and mechanical properties meet industry standards
• RoHS 3 and REACH compliance makes this washer suitable for regulated industries and environmentally conscious applications
• Inch measurement system compatibility simplifies integration with existing industrial equipment and standards

Professional Applications & Engineering Value

This bronze split lock washer delivers exceptional engineering value in demanding applications where vibration resistance and corrosion protection are critical. The Rockwell B90 hardness bronze material maintains its mechanical properties while resisting galvanic corrosion, making it ideal for marine, chemical processing, and electrical applications. The standard split lock design creates continuous spring tension that counters vibrational loosening in machinery, automotive assemblies, and industrial equipment. With precise 0.227" ID dimensions specifically engineered for No. 12 screw applications, this washer ensures secure fastening in critical joints while the bronze construction prevents seizing and galling in high-temperature environments. The combination of material properties and ASME B18.21.1 compliance provides engineers with a reliable solution for maintaining bolt preload in dynamic loading conditions.

Specification Summary & Compliance

This split lock washer features precise dimensional specifications including 0.227" inner diameter, 0.377" outer diameter, and 0.056" thickness, manufactured to ASME B18.21.1 standards for dimensional accuracy and mechanical performance. The washer maintains Rockwell B90 hardness bronze construction and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for various industrial applications while meeting international safety and environmental standards.