S-9311K146 0.46" ID x 1" OD Ribbed Vibration-Damping Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through ribbed texture design for enhanced stability in dynamic applications
• Secure press-fit mounting ensures permanent installation without additional fasteners or adhesives
• Excellent load distribution with 25 lbs capacity per mount for reliable performance under pressure
• Optimal deflection control with only 0.05" deflection at full capacity for precise alignment maintenance
• Chemical-resistant PVC construction provides durability in various industrial environments
• Temperature adaptability with stable performance across 55° to 105° F operating range
• Regulatory compliance assurance with RoHS 3 and REACH compliance for global market acceptance

Professional Applications & Engineering Value

This ribbed PVC plastic washer delivers exceptional engineering value through its unique combination of medium hardness 56A material and press-fit mounting design. The ribbed texture significantly enhances vibration resistance, making it ideal for applications where constant movement or mechanical stress could compromise fastener integrity. The blue PVC construction offers excellent chemical resistance while maintaining consistent performance across a practical temperature range of 55° to 105° F. Engineering teams benefit from the washer's ability to maintain secure positioning under loads up to 25 lbs with minimal deflection, ensuring long-term reliability in industrial assembly applications, electrical enclosures, and machinery where traditional metal washers might cause galvanic corrosion or require additional retention methods.

Specification Summary & Compliance

This washer features precise dimensional specifications with 1" OD, 0.46" ID, and 0.52" thickness, specifically designed for 7/16" screw applications. The PVC material maintains consistent durometer 56A medium hardness throughout its service life. Manufacturing and material compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance. The product demonstrates reliable performance with 1.3 lbs shear capacity and controlled deflection characteristics under load conditions.