S-93852A131 0.312" ID x 0.75" OD 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 thanks to 316 stainless steel construction
- Enhanced load distribution and joint integrity with USS heavy-duty flat design and 0.75" outer diameter
- Precise fit for 1/4" screws ensured by the 0.312" inner diameter, preventing loosening
- Exceptional durability and deformation resistance with Rockwell B68 hardness rating
- Reliable performance in demanding industrial applications due to consistent 0.051-0.080" thickness
- Environmental and safety compliance with RoHS 3 and REACH regulations for responsible sourcing
- Long-term cost efficiency through reduced maintenance and replacement needs in corrosive conditions
Professional Applications & Engineering Value
Engineered for challenging environments, these 316 stainless steel USS flat washers provide critical protection against chemical exposure, saltwater, and industrial pollutants. The USS designation ensures a robust, heavy-duty profile that effectively distributes clamping force under 1/4" fasteners, preventing surface damage and maintaining bolt preload in vibrating machinery, marine equipment, and chemical processing systems. Their high corrosion resistance directly addresses common failure points in offshore, pharmaceutical, and food processing applications, reducing downtime and extending service life. The precise inch system dimensions guarantee compatibility with standard USS patterns, offering reliable performance where industrial washers face constant stress and corrosive agents.
Specification Summary & Compliance
This USS flat washer meets standard inch system dimensions with 0.312" ID, 0.75" OD, and thickness range of 0.051-0.080". Manufactured from 316 stainless steel with Rockwell B68 hardness, it conforms to USS specifications for heavy-duty use. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental safety and restricted substance guidelines for industrial components.
