S-90504A117 10.5 mm ID x 21 mm OD DIN 137B Wave Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through wave spring design, maintaining consistent clamping force in high-stress environments
• Enhanced corrosion protection with black-oxide steel coating, extending service life in industrial conditions
• Optimized spring performance with Rockwell C42 hardness, ensuring reliable elastic recovery and load distribution
• Precise dimensional compatibility with 10.5mm ID specifically designed for M10 screws, preventing installation issues
• Standardized quality assurance through DIN 137B compliance, guaranteeing interchangeability and engineering reliability
• Environmental regulation compliance meeting RoHS 3 and REACH standards, suitable for global supply chains
• Space-efficient design with 1mm thickness and 4.2mm overall height, ideal for compact assembly applications

Professional Applications & Engineering Value

This M10 wave washer delivers critical engineering solutions for vibration-prone industrial applications. The black-oxide steel construction provides essential corrosion resistance while maintaining the spring force necessary to prevent fastener loosening in machinery, automotive assemblies, and electrical enclosures. The wave form design creates multiple spring contact points, distributing load evenly and compensating for thermal expansion or material relaxation. Engineered to DIN 137B standards, this metric wave washer ensures precise dimensional accuracy for M10 fastener systems, reducing assembly time and preventing component damage. The combination of Rockwell C42 hardness and controlled elasticity makes it ideal for applications requiring repeated disassembly and reassembly without performance degradation.

Specification Summary & Compliance

This wave washer features precise metric dimensions (10.5mm ID × 21mm OD × 1mm thickness) with 4.2mm overall height specifically engineered for M10 screw applications. Manufactured to DIN 137B specifications, ensuring dimensional accuracy and performance reliability. The component is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (updated 06/14/2023, 235 SVHC), meeting international environmental and safety standards for industrial use.