S-93661A130 1.375" ID x 2.5" 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 electrical and thermal conductivity due to pure copper construction, ideal for electrical and grounding applications
- Excellent corrosion resistance for enhanced durability and long service life in harsh or humid environments
- Precise SAE dimensional standards ensure a perfect fit for 1 1/4" screws, providing reliable load distribution and vibration resistance
- RoHS 3 and REACH compliance guarantees safety and environmental responsibility for global industrial supply chains
- Ductile copper material allows for effective sealing and conformability under compression, reducing the risk of loosening
- Wide 2.5" outer diameter offers a larger bearing surface to protect components from damage and distribute pressure evenly
Professional Applications & Engineering Value
This copper flat washer is engineered to address critical challenges in demanding industrial applications. Its inherent corrosion resistance makes it a top choice for plumbing, marine, and chemical processing equipment, preventing galvanic corrosion and failure. The high conductivity is essential in electrical assemblies, busbars, and grounding systems, ensuring efficient current flow and minimizing energy loss. Manufactured to SAE standards in the inch system, it provides dimensional reliability for maintenance and OEM projects, particularly with 1 1/4" screw sizes. The soft yet durable copper material acts as an effective seal and anti-seize element, solving issues related to bolt loosening and surface galling in high-vibration environments.
Specification Summary & Compliance
This washer conforms to SAE standards and the inch system of measurement, with an Inside Diameter of 1.375", Outside Diameter of 2.5", and a Thickness range of 0.136" to 0.213". It is designed to fit 1 1/4" screw sizes. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in regulated markets.
