S-90127A125 1.405" ID x 3" OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance maintains bolt tension in high-stress applications, preventing costly loosening and equipment downtime
• Zinc-plated steel construction provides excellent corrosion protection for extended service life in demanding industrial environments
• Rockwell C40 hardness rating ensures exceptional durability and spring-back performance under repeated loading cycles
• Precision-engineered dimensions (1.405" ID, 3" OD) guarantee perfect fit and optimal force distribution for 1 3/8" screw applications
• Heavy-duty thickness range (0.219-0.243") delivers consistent compression and reliable locking action across varying surface conditions
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance
• Optimized overall height (0.292") provides maximum spring deflection while maintaining compact installation requirements

Professional Applications & Engineering Value

This heavy-duty spring lock washer delivers critical vibration-damping performance for industrial machinery, construction equipment, and transportation applications where reliable locking is essential. The zinc-plated steel construction combats corrosion in harsh operating environments, while the Rockwell C40 hardness ensures the washer maintains its spring tension through thermal cycling and dynamic loads. Engineered specifically for 1 3/8" screw applications, its precision dimensions prevent galling and distribute clamp load evenly, solving common issues of joint relaxation in heavy machinery and structural assemblies. The combination of material strength and controlled deflection makes this spring lock washer an optimal choice for maintaining bolt preload in vibrating systems where safety and reliability are paramount.

Specification Summary & Compliance

This spring lock washer features inch system dimensions with 1.405" inner diameter, 3" outer diameter, and 0.292" overall height, designed specifically for 1 3/8" screw applications. Manufactured from zinc-plated steel with Rockwell C40 hardness rating, the washer delivers consistent mechanical properties and spring performance. The product fully complies with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations (updated June 14, 2023, covering 235 SVHC), ensuring environmental responsibility and regulatory acceptance for industrial applications worldwide.