S-93493A105 0.125" ID x 0.31" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability withstanding temperatures up to 280°F for reliable performance in high-heat industrial environments
• Superior chemical resistance due to fiberglass construction, preventing degradation from harsh substances and extending service life
• Precise dimensional fit with 0.125" ID and 0.31" OD ensuring secure placement under No. 4 screw heads for consistent load distribution
• Enhanced surface protection from Rockwell M100 hardness, reducing wear and deformation under mechanical stress
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Visual identification ease with light green color coding for quick inventory management and application verification
• Versatile thickness range (0.024-0.038") accommodating minor surface variations while maintaining sealing effectiveness

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this fiberglass flat washer solves critical challenges in high-temperature and chemically aggressive environments. The fiberglass material provides inherent resistance to corrosion and thermal expansion, maintaining dimensional stability where metal washers would fail. Its Rockwell M100 hardness ensures minimal compression set under sustained loads, protecting sensitive surfaces from damage while the 0.125" ID guarantees precise alignment with No. 4 screws. Ideal for electrical enclosures, automotive assemblies, and chemical processing equipment, this washer delivers reliable performance where temperature fluctuations and chemical exposure compromise ordinary fasteners. The light green color facilitates quick visual inspection in complex assemblies, reducing maintenance time and installation errors.

Specification Summary & Compliance

This inch-system flat washer maintains precise dimensional tolerances with 0.125" inner diameter and 0.31" outer diameter specifications. Manufactured to industry standards for No. 4 screw applications, it features consistent thickness ranging 0.024-0.038" for uniform load distribution. The product fully complies with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, ensuring environmental responsibility and workplace safety compliance.