S-91525A302 0.219" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Optimal load distribution with a 1.25" OD and 0.219" ID, preventing surface damage and maintaining joint integrity under stress
• Enhanced durability and wear resistance from Rockwell B68 hardness, ensuring long service life in demanding industrial settings
• Precise fit for No. 10 screws, reducing assembly errors and improving fastener system reliability
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe use in global markets
• Consistent thickness (0.043-0.057") for uniform performance and ease of installation in automated or manual processes
• Versatile inch system compatibility, facilitating integration with existing machinery and standard components

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges, such as corrosion-induced failures and uneven stress distribution. Its high chromium and nickel content provides exceptional resistance to pitting and crevice corrosion, making it suitable for marine equipment, chemical processing plants, and food-grade machinery. The precise 0.219" ID ensures a snug fit on No. 10 screws, minimizing loosening from vibrations and thermal cycling. By distributing loads evenly across the 1.25" OD, it protects surfaces from galling and reduces maintenance costs in heavy-duty assemblies, enhancing overall system longevity and reliability in corrosive or high-moisture environments.

Specification Summary & Compliance

This flat washer adheres to standard inch system measurements with an inner diameter of 0.219", outer diameter of 1.25", and thickness ranging from 0.043" to 0.057". It is manufactured from 316 stainless steel with a hardness of Rockwell B68 for consistent performance. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use worldwide.