S-92217A520 0.406" ID x 0.734" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise dimensional fit with a 0.406" inner diameter ensures a secure and stable interface with 3/8" fasteners, preventing loosening.
• Optimal load distribution provided by the 0.734" outer diameter, protecting surfaces and reducing stress on assembled components.
• Consistent performance guaranteed by manufacturing to the rigorous ASME B18.21.1 standard for flat washers.
• Enhanced durability and longevity from the material's inherent strength, reducing the need for frequent replacements.
• Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives.
• Reliable thickness tolerance (0.056"-0.071") ensures predictable performance and ease of installation in precision assemblies.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to solve critical challenges in industrial and mechanical assemblies. Its corrosion-resistant properties make it indispensable in applications exposed to moisture, chemicals, or varying temperatures, preventing fastener failure and maintaining structural integrity. The precise 0.406" ID and 0.734" OD dimensions ensure a perfect fit for 3/8" screws, distributing clamp load effectively to prevent surface damage and joint fatigue. Manufactured to ASME B18.21.1, it delivers consistent quality for use in machinery, construction, automotive, and electrical enclosures, providing long-term reliability and reducing maintenance costs in demanding industrial applications.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.406", outer diameter of 0.734", and a thickness range of 0.056" to 0.071", designed for use with 3/8" screws. It is manufactured in compliance with the ASME B18.21.1 standard, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements for industrial components.