S-90394A117 13 mm ID x 24 mm OD DIN 137B Wave Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration damping with wave spring design to maintain bolt tension and prevent loosening in dynamic applications
• Excellent corrosion resistance through bronze material construction for extended service life in harsh environments
• Precision metric sizing with 13mm ID and 24mm OD ensuring perfect compatibility with M12 screw assemblies
• Reliable spring performance delivering consistent load distribution and compensation for thermal expansion/contraction
• Industry-standard compliance with DIN 137B specifications guaranteeing dimensional accuracy and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance for safe use in regulated industries
• Optimal space utilization with compact 1.2mm thickness and 5mm overall height for confined assembly spaces

Professional Applications & Engineering Value

This bronze wave washer delivers critical engineering solutions where vibration resistance and spring tension maintenance are paramount. The DIN 137B compliant design ensures precise dimensional stability for M12 fastener systems in automotive, machinery, and electrical applications. Bronze construction provides natural corrosion resistance without additional plating, making it ideal for marine, chemical, and outdoor environments. The wave form acts as a reliable spring element that compensates for joint settlement and thermal cycling, preventing bolt loosening while maintaining consistent clamping force. This metric wave washer solves common assembly challenges where space constraints demand compact yet effective vibration-damping solutions, ensuring long-term reliability in demanding industrial settings.

Specification Summary & Compliance

Manufactured to DIN 137B standards with precise metric dimensions: 13mm inner diameter, 24mm outer diameter, 1.2mm thickness, and 5mm overall height. Designed specifically for M12 screw applications with dimensional accuracy per international metric standards. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance across global markets. The bronze material provides consistent performance without hardness rating requirements for general industrial applications.