S-90488A150 0.413" ID x 0.63" OD Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws

Key Features & Benefits at a Glance

• Superior vibration resistance with dual top and bottom serrations that bite into mating surfaces, preventing fastener loosening in high-stress applications
• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments
• Optimized dimensional accuracy with 0.413" ID and 0.63" OD for perfect fit with M10 fasteners in metric assembly systems
• Enhanced mechanical durability with Rockwell C42 hardness rating, maintaining spring tension and performance under repeated loading cycles
• Reliable environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Consistent spring action from 0.035" thickness and 0.063" overall height design, providing maintained clamping force
• Versatile installation capability with serrations on both surfaces for effective performance in various orientation scenarios

Professional Applications & Engineering Value

This M10 spring lock washer addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and heavy equipment applications. The 18-8 stainless steel composition provides inherent corrosion resistance, eliminating premature failure in moist or chemically aggressive environments. The innovative dual serration technology on both top and bottom surfaces creates multiple biting points that significantly enhance grip and prevent rotational slippage, making it ideal for high-vibration scenarios where traditional washers fail. The metric sizing ensures seamless integration with international fastener systems, while the precise dimensional control guarantees consistent performance in automated assembly processes. Engineering teams specify this washer for applications demanding reliable vibration resistance combined with the durability of stainless steel and compliance with environmental regulations.

Specification Summary & Compliance

This precision spring lock washer features metric dimensions with 0.413" internal diameter and 0.63" outer diameter, engineered for M10 screw applications. The component maintains strict dimensional tolerances consistent with industrial fastener standards. Manufactured from 18-8 stainless steel with Rockwell C42 hardness, it delivers consistent mechanical performance. The product fully complies with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements regarding chemical safety, ensuring environmental regulatory compliance for global industrial applications.