S-90231A113 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 from brass material, ideal for harsh environments and extending component lifespan.
- Excellent electrical conductivity ensures reliable performance in electrical assemblies and grounding applications.
- Precise SAE standard dimensions (0.125" ID x 0.312" OD) guarantee consistent fit and function with No. 4 screws.
- Durable brass construction provides long-lasting wear resistance and maintains integrity under load.
- REACH compliance assures environmental safety and regulatory adherence for global industrial use.
- Optimized thickness range (0.025-0.040") allows for proper load distribution and vibration dampening.
- Versatile flat washer design supports a wide range of industrial, electrical, and mechanical fastening needs.
Professional Applications & Engineering Value
This brass flat washer is engineered to address common industrial challenges such as galvanic corrosion and electrical isolation. Made from high-quality brass material, it prevents rust and degradation in humid or corrosive settings, while its inherent electrical conductivity makes it perfect for electrical enclosures, circuit boards, and grounding systems. The SAE standard ensures compatibility with No. 4 screw sizes, providing a reliable seal and load distribution in assemblies. Its flat washer design and precise inch dimensions (0.125" ID x 0.312" OD) help reduce wear, manage thermal expansion, and enhance fastener longevity in automotive, electronics, and machinery applications.
Specification Summary & Compliance
This washer adheres to SAE standards with exact dimensions: 0.125" inner diameter, 0.312" outer diameter, and thickness ranging from 0.025" to 0.040". It is manufactured from brass for consistent performance and is fully REACH (EC 1907/2006) compliant, meeting environmental and safety regulations. The product is designed for use with No. 4 screw sizes, ensuring precise fit and reliable fastening in various industrial settings.