S-97725A319 26.3 mm ID x 33.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with cellulose-filled copper construction that conforms to mating surfaces for reliable leak prevention
• Excellent corrosion resistance for extended service life in demanding industrial environments and fluid applications
• Precise dimensional compatibility with 26.3mm ID perfectly matching M26 screw sizes for secure fastening applications
• Standardized quality assurance through DIN 7603 compliance ensuring consistent performance and interchangeability
• Environmental regulation compliance with RoHS 3 (2015/863/EU) meeting international safety and sustainability requirements
• Optimized load distribution with 33.9mm OD providing enhanced surface coverage to protect components from damage
• Versatile thickness range of 2.3-2.7mm allowing for proper compression and accommodation of minor surface variations

Professional Applications & Engineering Value

These M26 metric flat washers deliver exceptional engineering value through their specialized cellulose-filled copper composition, which combines the malleability of copper with enhanced sealing properties. The material's natural conformability creates reliable seals in hydraulic systems, plumbing assemblies, and industrial machinery where fluid containment is critical. The DIN 7603 standardization ensures precise dimensional tolerances that prevent misalignment and distribute clamp load evenly across fastened joints. Particularly valuable in automotive, marine, and chemical processing applications, these copper sealing washers effectively solve common industry challenges including galvanic corrosion prevention, thermal conductivity maintenance, and vibration resistance. Their metric dimensions make them ideal for European machinery and global equipment requiring standardized industrial washers that maintain integrity under constant pressure and temperature fluctuations.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 26.3mm inner diameter, 33.9mm outer diameter, and thickness ranging 2.3-2.7mm, specifically designed for M26 screw applications. Manufactured in compliance with DIN 7603 standards for dimensional accuracy and performance requirements. The product is certified RoHS 3 (2015/863/EU) Compliant, meeting current environmental regulations for hazardous substance restrictions. While hardness is not rated, the cellulose-filled copper material provides optimal compression characteristics for sealing applications.