S-98689A249 3.8 mm ID x 8 mm OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for humid or chemically aggressive environments
• Precise load distribution across surfaces, reducing stress concentration and preventing component damage
• Accurate metric sizing (3.8mm ID, 8mm OD) ensures perfect fit with M3.63 screws for secure fastening
• Ultra-thin profile (0.2-0.4mm thickness) allows installation in space-constrained assemblies without compromising performance
• Long-term reliability in industrial settings, maintaining integrity under vibration and thermal cycling
• Environmental compliance with RoHS 3 and REACH standards, safe for regulated industries and global supply chains
• Cost-effective protection for equipment, extending service life of connected components

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M3.63 flat washers provide critical solutions where corrosion resistance and precise dimensional stability are paramount. The 18-8 stainless steel material offers excellent durability against oxidation and chemical exposure, making them suitable for electronics enclosures, machinery assemblies, and outdoor equipment. Their metric flat washer design ensures uniform pressure distribution under M3.63 fasteners, preventing loosening from vibration and minimizing surface damage to soft materials. This combination of precision engineering and robust material properties addresses common failure points in B2B procurement scenarios, delivering consistent performance in automotive, aerospace, and manufacturing sectors where component reliability directly impacts operational uptime.

Specification Summary & Compliance

This metric flat washer features precise dimensions: 3.8mm inner diameter, 8mm outer diameter, and 0.2-0.4mm thickness, engineered for M3.63 screw compatibility. Manufactured from 18-8 stainless steel for consistent mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial components.