S-91131A050 Male and Female Leveling Washers
Male and Female Leveling Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- 3° angular misalignment compensation ensures proper load distribution and prevents fastener loosening in uneven mounting surfaces
- Black-oxide steel construction provides excellent corrosion resistance and durability in demanding industrial environments
- Rockwell C25 hardness rating delivers superior strength and wear resistance for long-lasting performance
- Precision 0.406" ID and 0.875" OD dimensions guarantee perfect fit and alignment with 3/8" fasteners
- 1.25" spherical radius design enables smooth articulation and reduces stress concentrations
- Full regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance
- Compatible with replacement male washers for versatile assembly solutions and maintenance flexibility
Professional Applications & Engineering Value
These spherical washers address critical alignment challenges in heavy machinery, structural steel connections, and precision equipment assemblies. The black-oxide steel material provides essential corrosion protection while maintaining the Rockwell C25 hardness needed for high-load applications. The spherical design with 3° maximum correction angle compensates for surface irregularities that commonly cause bolt bending, joint failure, or uneven load distribution. This engineering solution is particularly valuable in construction equipment, industrial machinery, and automotive applications where misalignment tolerance is crucial for maintaining structural integrity and extending component lifespan under dynamic operating conditions.
Specification Summary & Compliance
Manufactured to inch system standards with precise dimensional tolerances: Female/Male ID 0.406", OD 0.875", radius 1.25", and thickness 0.235"-0.265". The washers feature consistent Rockwell C25 hardness throughout and are engineered for 3/8" screw applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures these components meet the strictest international standards for industrial use.
