S-91081A036 0.812" ID x 2" OD ASME B18.21.1 USS Washers
USS 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
- Enhanced Load Distribution - 2" outer diameter provides superior surface coverage to prevent surface damage and embedment under heavy loads
- Precise Fitment - 0.812" inner diameter ensures optimal compatibility with 3/4" fasteners for secure assembly
- Robust Construction - Made from durable steel for exceptional strength and longevity in demanding applications
- Standard Compliance - Manufactured to ASME B18.21.1 specifications for guaranteed dimensional accuracy and performance
- Environmental Responsibility - RoHS 3 and REACH compliant for safe use in regulated industrial environments
- Versatile Thickness Range - 0.122-0.177" thickness accommodates various compression requirements and load conditions
- Heavy-Duty Performance - USS designation ensures reliable service in high-stress mechanical applications
Professional Applications & Engineering Value
This USS flat washer delivers critical engineering solutions for industrial applications where load distribution and surface protection are paramount. The steel construction provides exceptional durability against deformation, while the precise 2" OD and 0.812" ID ensure optimal force dispersion across mating surfaces. Engineered to ASME B18.21.1 standards, this washer prevents bolt head embedment, reduces friction, and maintains joint integrity in heavy machinery, structural steel connections, and industrial equipment. The inch system compatibility makes it ideal for maintenance and repair operations across North American industrial facilities, offering reliable performance where vibration resistance and long-term reliability are essential.
Specification Summary & Compliance
This heavy-duty flat washer features precise dimensional specifications including 0.812" ID, 2" OD, and thickness range of 0.122-0.177" for 3/4" screw size applications. Manufactured in compliance with ASME B18.21.1 mechanical standards, ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, confirming environmental safety and regulatory adherence for industrial use worldwide.
