S-90127A032 0.489" ID x 1.074" OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through spring lock design that maintains constant tension under dynamic loads
• Enhanced grip and anti-loosening performance with precision top serration technology that bites into mating surfaces
• Exceptional durability and wear resistance achieved through Rockwell C40 hardness steel construction
• Perfect fit for 7/16" fasteners with precisely engineered 0.489" ID and 1.074" OD dimensions
• Reliable performance in demanding environments with consistent 0.075-0.081" thickness and 0.12" overall height
• Environmentally responsible manufacturing with full compliance to RoHS 3 and REACH regulations
• Seamless integration with inch-system components and standard industrial equipment

Professional Applications & Engineering Value

This spring lock washer delivers critical vibration resistance in demanding industrial applications where fastener integrity is paramount. The top serration design provides superior bite and anti-rotation properties, effectively preventing loosening in high-vibration environments such as heavy machinery, automotive assemblies, and power transmission systems. Manufactured from high-grade steel hardened to Rockwell C40, this washer maintains its spring tension and serration effectiveness even under extreme cyclic loading. The precision-engineered dimensions (0.489" ID, 1.074" OD) ensure perfect compatibility with 7/16" screw applications, while the consistent thickness and overall height guarantee reliable performance in critical assemblies where dimensional stability is essential for operational safety and equipment longevity.

Specification Summary & Compliance

This spring lock washer features precision inch-system dimensions with 0.489" internal diameter, 1.074" outer diameter, and controlled thickness range of 0.075-0.081" for consistent performance. The washer is manufactured from steel hardened to Rockwell C40 standards and incorporates top serration technology for maximum anti-rotation effectiveness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental standards for industrial components while ensuring reliable performance in 7/16" screw applications across various industrial sectors.