S-93661A114 0.14" ID x 0.312" OD SAE Washers

SAE Washers

1251FA00203 SAE Washers
1251FA00203 SAE Washers

Image may differ from product. See technical specification for details.

Part No.
Part No. 1251FA00203
Equivalent to mcmaster :
93661A114

Basic Information

System of Measurement Inch
Washer Type Flat
Washer Designation SAE

Dimension Parameters

ID 0.14"
OD 0.312"
Thickness 0.025-0.040"

Material & Strength Parameters

Material Copper
Hardness Not Rated

Installation & Application Parameters

For Screw Size No. 5

Finish & Compliance Parameters

REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior electrical conductivity for efficient current flow in electrical assemblies, reducing energy loss.
  • Excellent corrosion resistance ensures long-term reliability in humid or corrosive environments, minimizing maintenance needs.
  • Precise SAE standard dimensions (0.14" ID, 0.312" OD) guarantee consistent fit and performance with No. 5 screws.
  • Reliable sealing capability in plumbing and fluid systems, preventing leaks under pressure.
  • REACH compliance assures safety and environmental responsibility, meeting strict regulatory standards.
  • Durable copper material offers high malleability for easy installation and resistance to deformation.
  • Wide thickness tolerance (0.025-0.040") accommodates varying assembly requirements for flexibility in applications.

Professional Applications & Engineering Value

This copper flat washer is engineered to address common industrial challenges, such as electrical connectivity issues and corrosion in harsh conditions. Made from high-purity copper, it provides optimal conductivity for electrical connections, reducing the risk of overheating and failure. The SAE standard design, with precise inner and outer diameters, ensures compatibility with No. 5 screw sizes, simplifying installation in assemblies like control panels, junction boxes, and plumbing fixtures. Its corrosion-resistant properties make it ideal for use in moist or chemical-exposed environments, while the flat washer profile distributes load evenly, enhancing seal integrity and extending service life in demanding applications.

Specification Summary & Compliance

This washer adheres to SAE standards with an inner diameter of 0.14", outer diameter of 0.312", and thickness range of 0.025-0.040" for use with No. 5 screw sizes. It is manufactured from copper and complies with REACH (EC 1907/2006) regulations, ensuring no use of restricted substances as of June 14, 2023, with 235 SVHC. While hardness is not rated, the design focuses on dimensional accuracy and material integrity for reliable performance.

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