S-97725A266 0.344" ID x 0.625" OD Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from aluminum construction, ideal for harsh environments and outdoor applications
• Lightweight performance reduces overall assembly weight without compromising durability
• Precise dimensional fit with 0.344" ID ensures proper alignment and distribution for 5/16" screws
• Optimal load distribution through 0.625" OD design, preventing surface damage and material deformation
• Consistent thickness control between 0.043-0.057" provides reliable spacing and vibration resistance
• Environmental compliance meets RoHS 3 and REACH standards for sustainable manufacturing practices
• Versatile industrial application suitable for various mechanical fastening systems requiring inch measurements

Professional Applications & Engineering Value

This aluminum flat washer delivers exceptional engineering value through its corrosion-resistant properties and lightweight aluminum composition. The precise 5/16 inch screw compatibility with 0.344" inner diameter ensures perfect fitment, while the 0.625" outer diameter provides optimal surface coverage for load distribution. The controlled thickness range of 0.043-0.057" maintains consistent spacing in assemblies, preventing loosening from vibration and thermal expansion. These industrial washers are particularly valuable in applications where weight reduction is critical, such as aerospace components, automotive assemblies, and electronic enclosures, while maintaining mechanical fastener integrity in corrosive environments where steel alternatives would degrade.

Specification Summary & Compliance

Manufactured to precise inch system dimensional standards with 0.344" inner diameter, 0.625" outer diameter, and thickness tolerance of 0.043-0.057" for reliable performance in 5/16 inch fastener applications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial use. The aluminum construction provides inherent corrosion resistance without additional surface treatments.