S-91074A142 0.15" ID x 0.35" OD Extreme-Vibration-Resistant Wedge Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress environments, reducing maintenance needs and equipment downtime
• Dual-sided serration design provides maximum bite on both contact surfaces for enhanced locking security in dynamic applications
• Zinc-flake-coated steel construction delivers exceptional corrosion protection while maintaining consistent performance in harsh industrial conditions
• Rockwell C46 hardness rating ensures long-term dimensional stability and wear resistance under repeated loading cycles
• Compatible with both inch and metric systems (No. 6 and M3.5 screws) for versatile application across global equipment standards
• Precision dimensional control (0.15" ID, 0.35" OD, 0.060-0.080" thickness) guarantees proper fit and optimal clamping force distribution
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and meets international industrial requirements

Professional Applications & Engineering Value

This wedge lock washer addresses critical vibration-induced fastener failure in industrial machinery, automotive assemblies, and heavy equipment. The zinc-flake-coated steel construction provides superior corrosion resistance while the top and bottom serrations create mechanical interference that prevents rotational loosening under dynamic loads. Engineered with Rockwell C46 hardness, these washers maintain their locking capability through thermal cycling and mechanical stress, making them ideal for vibration-resistant applications where reliability is paramount. The dual-standard compatibility with both No. 6 and M3.5 screws ensures seamless integration into multinational equipment fleets and manufacturing systems.

Specification Summary & Compliance

Precision-engineered with 0.15" inner diameter, 0.35" outer diameter, and 0.060-0.080" thickness range for optimal performance with No. 6 and M3.5 fasteners. Manufactured to exacting standards with dual-sided serrations and Rockwell C46 hardness specification. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industrial safety standards for hazardous substance restrictions.