S-90504A111 3.2 mm ID x 8 mm OD DIN 137B Wave Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration damping through wave spring design prevents fastener loosening in dynamic applications
• Enhanced corrosion resistance with black-oxide steel coating extends service life in harsh environments
• Consistent spring performance maintained by Rockwell C42 hardness for reliable load distribution
• Precise dimensional accuracy with 3.2mm ID ensures perfect fit for M3 screw applications
• Industry-standard compliance with DIN 137B guarantees mechanical reliability and interchangeability
• Environmental regulation adherence through RoHS 3 and REACH compliance for global supply chain compatibility
• Space-efficient design with 0.5mm thickness optimizes assembly in compact mechanical systems

Professional Applications & Engineering Value

This M3 wave washer delivers critical engineering solutions where vibration resistance and spring tension maintenance are paramount. The black-oxide steel construction provides superior corrosion protection for industrial equipment, automotive assemblies, and electronic enclosures exposed to moisture or chemical agents. With its DIN 137B compliance, this metric wave washer ensures precise dimensional stability and consistent performance in high-cycle applications. The wave profile creates optimal axial force distribution, preventing joint relaxation in machinery subject to thermal cycling or operational vibrations. Engineers specify this precision washer for applications requiring reliable pre-load maintenance while meeting stringent environmental regulations through its RoHS and REACH compliance.

Specification Summary & Compliance

This wave washer features precise metric dimensions (3.2mm ID × 8mm OD × 0.5mm thickness) with DIN 137B standard compliance ensuring dimensional accuracy and mechanical performance. Manufactured from black-oxide steel with Rockwell C42 hardness, the washer maintains consistent spring characteristics. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making it suitable for global industrial applications with environmental compliance requirements.