S-91225A314 13 mm ID x 23.7 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Superior electrical insulation properties thanks to phenolic plastic construction, preventing current leakage in sensitive applications
• Excellent high-temperature resistance up to 250°F (121°C), maintaining structural integrity in heated industrial environments
• Outstanding hardness and durability with Rockwell M105 rating, ensuring long service life under mechanical stress
• Precise metric sizing with 13mm ID and 23.7mm OD for perfect fit with M12 screws, preventing loosening and misalignment
• Reliable corrosion resistance without metallic components, ideal for chemical exposure and humid conditions
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting international environmental and safety requirements
• Consistent thickness control between 2.2-2.5mm for uniform load distribution and secure fastening performance

Professional Applications & Engineering Value

These phenolic plastic flat washers deliver critical engineering solutions where electrical insulation and thermal stability are paramount. The phenolic material provides exceptional dielectric strength, making these metric washers ideal for electrical enclosures, control panels, and electronic assemblies where current isolation is essential. Their ability to withstand temperatures up to 250°F ensures reliable performance in motor applications, heating systems, and industrial machinery without degradation. The M12 screw size compatibility with precise 13mm ID and 23.7mm OD dimensions guarantees proper fitment, preventing electrical shorts while distributing load evenly across fastened surfaces. These brown washers serve as essential components in automotive, aerospace, and manufacturing sectors where non-conductive, high-temperature resistant fastening solutions are required.

Specification Summary & Compliance

This flat washer features metric dimensions with 13mm internal diameter, 23.7mm outer diameter, and controlled thickness between 2.2-2.5mm for consistent performance. Manufactured to precise dimensional standards for M12 screw applications, the washer demonstrates Rockwell M105 hardness for mechanical durability. The product fully complies with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, ensuring environmental safety and regulatory adherence for industrial use across global markets.