S-91434A123 0.813" ID x 1.469" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black protective coating for extended service life in harsh industrial environments
• Superior load distribution with precise 0.813" ID and 1.469" OD dimensions to prevent surface damage and joint failure
• High-strength Grade 8 performance with Rockwell C38 hardness for demanding applications requiring maximum fastener reliability
• Industry-standard compliance with ASME B18.21.1 specifications ensuring consistent quality and dimensional accuracy
• Optimized thickness range (0.122-0.138") providing ideal compression characteristics and vibration resistance
• Environmental regulation compliance with RoHS 3 and REACH standards for safe, sustainable industrial use
• Perfect fit for 3/4" fasteners with SAE inch system compatibility for seamless integration into existing assemblies

Professional Applications & Engineering Value

These Grade 8 SAE flat washers deliver critical engineering solutions for heavy-duty applications where corrosion resistance and structural integrity are paramount. The black corrosion-resistant coated steel construction provides superior protection against environmental degradation, significantly extending service life in demanding conditions such as outdoor machinery, construction equipment, and marine applications. Engineered to ASME B18.21.1 standards, these washers ensure precise dimensional stability and optimal load distribution, preventing bolt loosening and surface damage under extreme vibration and torque conditions. The 3/4" screw size compatibility makes them ideal for high-stress connections in structural frameworks, industrial machinery, and transportation equipment where reliable fastener performance cannot be compromised.

Specification Summary & Compliance

Manufactured to exact ASME B18.21.1 specifications with precise dimensional tolerances including 0.813" inner diameter, 1.469" outer diameter, and controlled thickness between 0.122-0.138". Constructed from black corrosion-resistant coated steel with Rockwell C38 hardness and Grade 8 strength classification. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial applications requiring certified material safety and sustainability standards.