S-92244A219 0.812" ID Square Washers

Square Washers

1283FA00120 Square Washers
1283FA00120 Square Washers

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

Part No.
Part No. 1283FA00120
Equivalent to mcmaster :
92244A219

Basic Information

System of Measurement Inch
Washer Type Square

Dimension Parameters

ID 0.812"
Thickness 0.114-0.126"
Width 2"

Material & Strength Parameters

Material 316 Stainless Steel
Hardness Rockwell B68

Installation & Application Parameters

For Screw Size 3/4"

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 from 316 stainless steel construction, ideal for harsh chemical and marine environments
  • Exceptional load distribution with 2" square design, preventing surface damage and fastener loosening under heavy loads
  • Precision fit for 3/4" screws with 0.812" inner diameter, ensuring secure fastening and vibration resistance
  • Enhanced durability with Rockwell B68 hardness, maintaining structural integrity under repeated stress
  • Consistent performance through controlled thickness (0.114-0.126"), providing reliable sealing and spacing functions
  • Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global industrial safety requirements
  • Long-term cost efficiency through inch-system compatibility and corrosion-resistant properties, reducing replacement frequency

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 316 stainless steel square washer addresses critical challenges in corrosive environments where standard fasteners fail. The 2" width provides superior surface coverage, distributing clamp load effectively to prevent material deformation in structural assemblies, machinery bases, and piping systems. With its 0.812" inner diameter precisely matching 3/4" screw sizes, it eliminates play and maintains joint integrity under vibration. The Rockwell B68 hardness ensures the washer maintains its form under heavy bolt preloads, while the 316 stainless steel composition offers exceptional resistance to chlorides, acids, and extreme temperatures - making it ideal for chemical processing, marine equipment, and offshore installations where corrosion causes premature fastener failure.

Specification Summary & Compliance

This square washer features inch-system dimensions with 2" width, 0.812" inner diameter, and thickness range of 0.114-0.126" for precision fit. Manufactured to industrial standards for 3/4" screw applications with Rockwell B68 hardness rating. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to global environmental and safety standards for industrial components.

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