S-91525A479 0.688" ID x 3" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Precise dimensional fit with 0.688" inner diameter designed specifically for 5/8" screws, ensuring secure fastening and reduced assembly errors.
• Enhanced load distribution thanks to the large 3" outer diameter, minimizing surface pressure and preventing damage to connected materials.
• Heavy-duty durability with a thickness range of 0.215-0.260", providing reliable performance under high-stress mechanical applications.
• Compliance with strict environmental standards, including RoHS 3 and REACH, ensuring safe use in regulated industries and global markets.
• Broad compatibility with inch system fasteners, simplifying sourcing and integration into existing assemblies.
• Cost-effective maintenance due to the material's resistance to rust and chemicals, lowering long-term replacement and downtime costs.

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution in heavy machinery, marine equipment, and chemical processing systems. Its high-grade material offers exceptional resistance to chlorides and acidic environments, reducing maintenance frequency and enhancing operational safety. The precise inner diameter of 0.688" ensures a snug fit for 5/8" screws, preventing loosening under vibration and thermal cycling. By incorporating this RoHS and REACH compliant component, engineers can achieve reliable performance in demanding applications while meeting stringent regulatory requirements for environmental and health safety.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.688", outer diameter of 3", and thickness ranging from 0.215" to 0.260". It is manufactured to standard dimensional tolerances for consistent fit and function. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting use in eco-conscious industrial and commercial projects.