S-92844A148 0.531" ID x 1.25" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Precise fit and reliable load distribution for 1/2" screws with a 0.531" ID and 1.25" OD
• Enhanced durability and longevity in demanding mechanical and industrial applications
• Guaranteed dimensional consistency and performance through compliance with ASME B18.21.1 standards
• Safe for sensitive applications with full compliance to RoHS 3 and REACH environmental regulations
• Versatile industrial use from machinery assembly to chemical processing equipment

Professional Applications & Engineering Value

Engineered for reliability, these 316 stainless steel flat washers provide a critical solution for applications exposed to corrosive elements, such as chemical processing, marine hardware, and food processing equipment. The flat washer design ensures even load distribution, preventing surface damage and fastener loosening under vibration. Manufactured to ASME B18.21.1, they guarantee precise 0.531" ID and 1.25" OD dimensions for a perfect fit with 1/2" screws, reducing installation errors and improving assembly efficiency. Their inherent corrosion resistance and compliance with stringent environmental standards like RoHS and REACH make them an ideal, long-lasting component for OEMs and MRO professionals prioritizing safety and durability.

Specification Summary & Compliance

This flat washer features an Inside Diameter (ID) of 0.531", Outside Diameter (OD) of 1.25", and Thickness ranging from 0.090" to 0.112", designed specifically for use with 1/2" screws. It is manufactured in accordance with the ASME B18.21.1 standard, ensuring consistent quality and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental safety and hazardous substance restrictions.