S-91525A371 2.625" ID x 4.5" OD General Purpose Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments thanks to premium 316 stainless steel construction
• Optimal load distribution and joint stability with a large 4.5" outer diameter surface area
• Precise compatibility with 2 1/2" screw sizes, ensuring a secure and accurate fit
• Enhanced durability for heavy-duty industrial applications with a robust thickness range of 0.210-0.280"
• Superior environmental compliance meeting RoHS 3 and REACH standards for safe, sustainable use
• Reliable performance in inch measurement systems, facilitating easy integration into existing designs
• Long-term cost efficiency by reducing maintenance and replacement needs in corrosive conditions

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address critical challenges in demanding sectors like marine, chemical processing, and outdoor infrastructure. Its high corrosion resistance prevents degradation from saltwater, chemicals, and moisture, extending equipment lifespan and minimizing downtime. The precise 2.625" ID and 4.5" OD dimensions ensure uniform pressure distribution, reducing stress concentrations and preventing fastener loosening in high-vibration environments. Ideal for 2 1/2" screw applications, this heavy-duty flat washer supports structural integrity in machinery, pipelines, and construction projects, delivering reliable performance where failure is not an option.

Specification Summary & Compliance

This washer features standard inch system dimensions with an ID of 2.625", OD of 4.5", and thickness range of 0.210-0.280", designed for compatibility with 2 1/2" screws. It is manufactured from 316 stainless steel for consistent quality and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring adherence to environmental and safety regulations for industrial use.