S-93493A313 5.3 mm ID x 11 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Superior heat resistance for reliable performance in environments up to 280°F, preventing deformation and maintaining seal integrity.
• Excellent electrical insulation properties due to fiberglass material, reducing risks of short circuits in electrical assemblies.
• High chemical resistance ensures longevity in corrosive industrial settings, minimizing maintenance and replacement costs.
• Precise dimensional fit with 5.3mm ID and 11mm OD for secure fastening with M5 screws, enhancing assembly stability.
• Rockwell R115 hardness provides consistent durability and load distribution, extending the lifespan of connected components.
• Compliance with RoHS 3 and REACH standards guarantees environmental safety and meets global regulatory requirements for hazardous substances.
• Light green color coding allows for easy identification and organization in complex industrial setups.

Professional Applications & Engineering Value

This M5 metric flat washer is engineered from premium fiberglass material to address common industrial challenges such as thermal expansion, electrical conductivity, and chemical degradation. Its high-temperature resistance up to 280°F makes it ideal for applications in automotive, aerospace, and electrical enclosures where heat can compromise metal washers. The fiberglass construction offers inherent electrical insulation, preventing current leakage and enhancing safety in power systems. Additionally, the washer's chemical-resistant properties ensure reliable performance in harsh environments, such as chemical processing plants, by resisting acids and solvents. With a precise 5.3mm inner diameter and 11mm outer diameter, it provides a snug fit for M5 screws, reducing vibration loosening and improving overall mechanical integrity in assemblies.

Specification Summary & Compliance

This flat washer features metric dimensions with an ID of 5.3mm, OD of 11mm, and thickness ranging from 0.9-1.1mm, designed for use with M5 screw sizes. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial applications. The fiberglass material achieves a Rockwell R115 hardness, providing consistent performance under load, and is rated for a maximum temperature of 280°F, making it suitable for high-heat and corrosive environments.