S-91118A132 0.641" ID x 1.073" OD ASME B18.21.1 Split Lock Washers
Split Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance prevents fastener loosening in high-stress industrial environments
- K500 Nickel construction provides excellent corrosion resistance for extended service life
- Precision 5/8" sizing ensures perfect fit and consistent locking performance
- ASME B18.21.1 compliance guarantees dimensional accuracy and reliable engineering standards
- Split lock design creates continuous spring tension for secure fastening under dynamic loads
- RoHS 3 and REACH compliance meets environmental regulations for global industrial applications
- Heavy-duty thickness range (0.156-0.189") delivers durable performance in demanding conditions
Professional Applications & Engineering Value
Engineered for critical applications where vibration-induced loosening compromises safety and performance, this K500 Nickel split lock washer solves persistent maintenance challenges in industrial machinery, marine equipment, and chemical processing systems. The nickel alloy construction withstands corrosive environments that would degrade standard steel washers, while the split lock design maintains constant spring pressure against both bearing surface and fastener. This combination ensures reliable vibration resistance in dynamic applications from rotating equipment to structural assemblies, reducing maintenance frequency and preventing costly downtime. The precise 5/8" sizing with standardized dimensions ensures compatibility with existing fastener systems while delivering consistent locking performance across production runs.
Specification Summary & Compliance
This standard split lock washer features precise dimensions: 0.641" ID, 1.073" OD, and thickness range of 0.156-0.189" for 5/8" screw size applications. Manufactured to ASME B18.21.1 specifications for dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial distribution and use in regulated industries.
