S-91950A101 2.125" ID x 3.75" OD SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh chemical and marine environments due to 316 stainless steel construction
• Exceptional load distribution and surface protection for 2" fasteners with a large 3.75" outer diameter
• Precision dimensional accuracy ensures reliable fit and performance in demanding industrial assemblies
• Long-term reliability and durability for heavy-duty applications, reducing maintenance and replacement frequency
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe and responsible sourcing
• Broad compatibility with SAE standard inch-system components, simplifying procurement and inventory management
• Ideal for corrosive environments such as chemical processing, marine, and food industry applications

Professional Applications & Engineering Value

This SAE flat washer is engineered to solve critical challenges in industrial settings where corrosion and mechanical stress are prevalent. Manufactured from 316 stainless steel, it provides excellent resistance to chlorides, acids, and other aggressive chemicals, making it indispensable in marine, chemical processing, and food & beverage industries. The precise 2.125" ID and 3.75" OD dimensions ensure optimal load distribution under 2" fasteners, preventing surface damage and joint loosening in high-vibration environments. Its robust flat washer design and heavy-duty construction deliver long-term reliability, reducing downtime and maintenance costs in critical infrastructure and machinery.

Specification Summary & Compliance

This washer conforms to SAE standards and the inch system of measurement, with an inner diameter of 2.125", outer diameter of 3.75", and thickness between 0.129" and 0.141". It is manufactured from 316 stainless steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets the latest environmental and safety requirements for industrial components.