S-90895A037 0.591" ID x 0.866" OD Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws

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 dual-sided top and bottom serrations that bite into mating surfaces
• Excellent corrosion resistance provided by 18-8 stainless steel construction for harsh industrial environments
• Dual measurement compatibility accommodating both M14 metric and 9/16" imperial screw sizes for versatile applications
• Reliable hardness and durability with Rockwell C38 rating ensuring consistent performance under repeated stress
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global industrial use
• Precision dimensional accuracy with 0.591" ID and 0.866" OD ensuring perfect fit and optimal load distribution

Professional Applications & Engineering Value

This spring lock washer delivers exceptional engineering value in applications where vibration-induced loosening compromises assembly integrity. The 18-8 stainless steel construction provides superior corrosion resistance for demanding environments including marine, chemical processing, and outdoor equipment. The dual serration technology with both top and bottom grip surfaces creates multiple biting points that significantly enhance anti-rotation performance compared to standard washers. This vibration resistant washer maintains constant spring pressure that compensates for material relaxation and thermal cycling, making it ideal for heavy machinery, automotive assemblies, and industrial equipment where reliability is critical. The compatibility with both M14 metric and 9/16" imperial screw systems provides flexibility in global manufacturing and maintenance operations.

Specification Summary & Compliance

This precision spring lock washer features exact dimensional specifications with 0.591" internal diameter, 0.866" outer diameter, 0.047" thickness, and 0.079" overall height. Manufactured from 18-8 stainless steel with Rockwell C38 hardness rating, the washer delivers consistent mechanical properties and durability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use in regulated industries worldwide. The dual-sided serration pattern provides maximum gripping action while maintaining material integrity under high torque applications.