S-97725A269 0.688" ID x 0.938" OD Metal Sealing Washers

Key Features & Benefits at a Glance

• Lightweight corrosion resistance - Aluminum construction provides excellent durability without adding significant weight to assemblies
• Precise dimensional fit - 0.688" inner diameter ensures optimal compatibility with 5/8" screws for secure fastening
• Enhanced load distribution - 0.938" outer diameter spreads pressure evenly across surfaces, preventing damage to materials
• Versatile thickness range - 0.071-0.086" thickness accommodates various gap requirements and compression needs
• Global compliance assurance - Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards for international market access
• Reliable performance - Inch system specifications ensure compatibility with standard industrial equipment and components
• Material efficiency - Aluminum's natural properties provide good conductivity and non-magnetic characteristics where needed

Professional Applications & Engineering Value

This precision aluminum flat washer delivers exceptional value in applications where weight reduction, corrosion resistance, and environmental compliance are critical. The 0.688" inner diameter precisely accommodates 5/8" screws, ensuring proper alignment and load distribution across the 0.938" outer diameter surface. Aluminum's natural oxide layer provides built-in corrosion protection, making these flat washers ideal for electrical enclosures, aerospace components, marine hardware, and lightweight structural assemblies. The controlled thickness range of 0.071-0.086" allows engineers to maintain consistent clamping force while accommodating manufacturing tolerances. These industrial washers solve common challenges of galvanic corrosion when used with aluminum structures and provide reliable performance in environments where magnetic interference must be avoided.

Specification Summary & Compliance

This aluminum flat washer features precise inch system dimensions with 0.688" inner diameter, 0.938" outer diameter, and thickness ranging from 0.071" to 0.086", engineered specifically for 5/8" screw applications. The product maintains standard flat washer geometry for optimal performance in industrial fastening systems. Compliance includes RoHS 3 (2015/863/EU) for restricted substance management and REACH (EC 1907/2006) covering 235 SVHCs as of June 14, 2023. While hardness is not rated, the aluminum material provides sufficient durability for typical flat washer applications across commercial and industrial sectors.