S-93852A141 1.25" ID x 2.75" 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
- Superior corrosion resistance in harsh environments due to 316 stainless steel composition
- Exceptional durability and deformation resistance with Rockwell B68 hardness rating
- Optimal load distribution across 2.75" OD surface area for 1 1/8" screw applications
- Precise dimensional fit with 1.25" ID ensuring secure fastening in USS inch system applications
- Industry-standard compliance with ASME B18.21.1 specifications for reliable performance
- Environmental responsibility through RoHS 3 and REACH compliance for sustainable operations
- Heavy-duty construction with 0.136-0.192" thickness for maximum mechanical strength
Professional Applications & Engineering Value
This 316 stainless steel USS flat washer delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. The marine-grade 316 stainless steel composition provides exceptional protection against chloride-induced stress corrosion cracking, making it ideal for marine equipment, chemical processing plants, and coastal infrastructure. The USS designation ensures proper load distribution in heavy machinery, construction equipment, and structural steel applications where vibration resistance is essential. With its 1.25" ID x 2.75" OD dimensions specifically engineered for 1 1/8" screw applications, this washer prevents joint loosening and surface damage while maintaining ASME B18.21.1 compliance for consistent performance in critical fastening systems.
Specification Summary & Compliance
Manufactured to ASME B18.21.1 standards with dimensional specifications including 1.25" inner diameter, 2.75" outer diameter, and thickness ranging 0.136-0.192". The washer features USS flat washer designation in the inch measurement system, with material hardness certified at Rockwell B68. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance for industrial applications worldwide.
