S-90107A127 0.406" ID x 0.75" OD General Purpose Washers

General Purpose Washers

1246FA00028 General Purpose Washers
1246FA00028 General Purpose Washers

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

Part No.
Part No. 1246FA00028
Equivalent to mcmaster :
90107A127

Basic Information

System of Measurement Inch
Washer Type Flat

Dimension Parameters

ID 0.406"
OD 0.75"
Thickness 0.040-0.060"

Material & Strength Parameters

Material 316 Stainless Steel
Hardness Not Rated

Installation & Application Parameters

For Screw Size 3/8"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
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 corrosion resistance in harsh chemical and marine environments due to 316 stainless steel construction
  • Precise dimensional fit for 3/8" fasteners with 0.406" ID ensuring secure load distribution
  • Enhanced surface coverage with 0.75" OD providing excellent bearing surface and vibration resistance
  • Consistent performance across 0.040-0.060" thickness range for reliable gasketing and spacing applications
  • Full regulatory compliance with RoHS 3 and REACH standards for global industrial supply chain integration
  • Long-term durability maintaining mechanical properties in extreme temperature and corrosive conditions
  • Interchangeable compatibility with inch-system fasteners for simplified inventory and assembly processes

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver critical protection in demanding industrial settings where corrosion resistance is paramount. The inch-system dimensions (0.406" ID, 0.75" OD) ensure perfect compatibility with 3/8" fasteners while the controlled thickness range (0.040-0.060") provides consistent load distribution. Engineered for chemical processing, marine equipment, and food-grade applications, these flat washers prevent galvanic corrosion and maintain integrity in saltwater, chlorides, and acidic environments. The 316 stainless steel material offers superior performance over standard 304 grades, making these washers ideal for offshore platforms, pharmaceutical equipment, and wastewater treatment systems where failure is not an option.

Specification Summary & Compliance

Manufactured to standard inch-system dimensions with 0.406" inner diameter, 0.75" outer diameter, and 0.040-0.060" thickness range for consistent performance. These flat washers comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental compliance and safe use across global industrial markets. The 316 stainless steel construction provides excellent chemical resistance while maintaining dimensional stability under various operating conditions.

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