S-90126A505 0.125" ID x 0.312" OD SAE Washers
SAE Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Precise dimensional fit with 0.125" ID and 0.312" OD ensures perfect alignment with No. 4 screws
- Optimal load distribution across surfaces with controlled thickness range of 0.020-0.040"
- SAE standard compliance guarantees interchangeability and reliable performance in inch-based applications
- Enhanced surface protection prevents galling and seizing during installation and removal
- Regulatory compliance meets RoHS 3 and REACH requirements for global industrial use
- Versatile industrial application suitable for various assembly and maintenance operations
Professional Applications & Engineering Value
This SAE flat washer provides critical engineering solutions where surface protection and load distribution are paramount. The zinc-plated steel construction offers excellent corrosion resistance, preventing premature failure in humid or chemically exposed environments. With precise 0.125" ID and 0.312" OD dimensions, it ensures perfect fitment with No. 4 screws, eliminating misalignment issues that can compromise assembly integrity. The controlled 0.020-0.040" thickness range allows for optimal compression and surface contact, making it ideal for electronic enclosures, machinery assemblies, and automotive components where consistent fastener performance is essential for long-term reliability.
Specification Summary & Compliance
Manufactured to SAE standards with inch system measurements, this flat washer features precise dimensional tolerances for reliable performance. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide. The zinc-plated surface treatment provides consistent corrosion protection while maintaining the mechanical properties required for dependable fastening performance.
