S-91525A466 0.125" ID x 1" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in harsh environments like marine and chemical processing
• Precise dimensional fit with 0.125" ID and 1" OD ensures reliable performance with No. 4 screws
• Consistent load distribution provided by 0.050-0.080" thickness range to prevent surface damage and loosening
• 316 stainless steel construction offers excellent durability and resistance to pitting and crevice corrosion
• Full regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
• Inch system compatibility for seamless integration with existing industrial equipment and fastening systems
• Versatile industrial application across multiple sectors including marine, chemical, and food processing

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver exceptional engineering value through their specialized material properties and precision dimensions. The marine-grade 316 stainless steel composition provides superior protection against saltwater corrosion, chemical exposure, and extreme temperature fluctuations, making them ideal for offshore equipment, chemical processing plants, and coastal infrastructure. The controlled 0.050-0.080" thickness range ensures consistent surface pressure distribution, preventing joint loosening and material deformation under vibration or thermal cycling. Engineered specifically for No. 4 screw applications, these flat washers maintain fastener integrity in critical assemblies where corrosion-induced failure is a primary concern. Their inch system measurements guarantee compatibility with North American industrial standards, while the 1" outer diameter provides optimal bearing surface for load spreading in confined spaces.

Specification Summary & Compliance

This flat washer features precision inch dimensions with 0.125" inner diameter, 1" outer diameter, and thickness ranging from 0.050" to 0.080", specifically engineered for No. 4 screw size applications. Manufactured from 316 stainless steel, these washers comply with RoHS 3 (2015/863/EU) standards and REACH (EC 1907/2006) regulations current through June 14, 2023, including 235 SVHC substances. The product meets industrial fastener specifications for dimensional accuracy and material composition suitable for demanding environments where corrosion resistance and regulatory compliance are critical requirements.