S-97725A325 38.3 mm ID x 43.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance extends service life in harsh industrial environments
• Excellent electrical conductivity ensures reliable grounding and electrical connections
• Precise dimensional tolerances (38.3mm ID x 43.9mm OD) guarantee perfect fit for M38 screw applications
• Cellulose-filled copper construction provides optimal sealing performance and material durability
• DIN 7603 compliance ensures consistent quality and international standard compatibility
• RoHS 3 compliance meets environmental regulations for global manufacturing operations
• 2.3-2.7mm thickness range accommodates varying compression requirements in assembly applications

Professional Applications & Engineering Value

This M38 metric flat washer delivers exceptional engineering value through its specialized cellulose-filled copper composition, which combines the superior electrical properties of copper with enhanced sealing capabilities. The material's natural corrosion resistance makes it ideal for electrical enclosures, power distribution systems, and industrial machinery where moisture and environmental factors threaten component integrity. The precise DIN 7603 dimensional specifications ensure reliable performance in M38 screw applications, providing consistent compression and surface contact. This flat washer serves as both an electrical conductor and sealing element, eliminating the need for multiple components in critical assemblies. Its metric sizing and standardized dimensions make it particularly valuable for European equipment manufacturers and global operations requiring international standard compliance.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications with 38.3mm internal diameter, 43.9mm outer diameter, and thickness ranging from 2.3-2.7mm, engineered specifically for M38 screw size applications. The washer conforms to DIN 7603 manufacturing standards, ensuring dimensional accuracy and performance consistency. Environmental compliance is verified through RoHS 3 (2015/863/EU) compliance, meeting current regulatory requirements for hazardous substance restrictions. The cellulose-filled copper material provides the specified electrical and mechanical properties without additional surface treatments or coatings.