S-97725A318 26.3 mm ID x 31.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with cellulose-filled copper construction that conforms to irregular surfaces for reliable leak prevention
• Excellent corrosion resistance maintains integrity in demanding industrial environments and fluid applications
• Precise dimensional compatibility with 26.3mm ID specifically engineered for M26 screw applications
• DIN 7603 compliance ensures consistent quality and interchangeability in European mechanical assemblies
• Environmentally responsible manufacturing with RoHS 3 compliance for sustainable operations
• Optimized thickness range (2.3-2.7mm) provides ideal compression characteristics for secure fastening
• Enhanced durability through copper alloy composition that withstands repeated thermal cycling and pressure variations

Professional Applications & Engineering Value

These M26 metric flat washers deliver critical sealing solutions where conventional washers fail. The cellulose-filled copper composition creates an exceptional gasketing material that compresses effectively to fill surface imperfections, preventing fluid and gas leaks in hydraulic systems, plumbing assemblies, and industrial machinery. Unlike standard washers, this DIN 7603 compliant design maintains sealing integrity under thermal expansion and vibration, making it ideal for automotive, manufacturing, and heavy equipment applications. The material's natural corrosion resistance ensures long-term reliability in exposed or chemically aggressive environments, reducing maintenance frequency and downtime while providing consistent sealing performance across temperature variations.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 26.3mm inner diameter, 31.9mm outer diameter, and controlled thickness between 2.3-2.7mm. Manufactured to DIN 7603 standards for dimensional accuracy and performance consistency. The product is RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions. Designed specifically for M26 screw applications in industrial and mechanical assemblies requiring reliable sealing capabilities.