S-92217A549 0.531" ID x 1.75" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Precise dimensional fit with 0.531" ID and 1.75" OD ensures optimal load distribution and secure fastening for 1/2" screws.
• Enhanced durability from consistent thickness (0.090-0.112") providing uniform pressure and reducing assembly failure risks.
• Industry-standard compliance with ASME B18.21.1 guarantees consistent quality and interchangeability in mechanical systems.
• Environmental and safety adherence through RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.
• Versatile industrial application due to robust material properties, suitable for machinery, construction, and marine uses.
• Cost-effective maintenance by minimizing replacement needs with high corrosion and wear resistance.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as galvanic corrosion, vibration loosening, and uneven load distribution. Its precise 0.531" ID and 1.75" OD dimensions ensure a perfect fit for 1/2" screw applications, preventing misalignment and enhancing joint integrity. The stainless steel material offers excellent resistance to rust and chemicals, making it ideal for industrial washers in demanding sectors like automotive, marine, and construction. By complying with ASME B18.21.1, it delivers reliable performance in high-stress environments, reducing downtime and maintenance costs while supporting efficient assembly processes.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.531", outer diameter of 1.75", and thickness ranging from 0.090" to 0.112", designed for use with 1/2" screws. It conforms to ASME B18.21.1 standards for dimensional accuracy and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements without hazardous substances.