S-93412A201 0.12" ID x 0.312" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance with a maximum operating temperature of 400°F, ensuring reliable sealing in demanding thermal environments.
• Superior chemical resistance provided by Viton® Fluoroelastomer material, protecting against harsh fluids and extending service life.
• Precise dimensional fit with 0.12" ID and 0.312" OD, designed specifically for No. 4 screws to prevent loosening and ensure secure fastening.
• Optimal sealing and vibration damping due to Durometer 75A hardness, which offers flexibility and durability under compression.
• Broad operational range from -10°F to 400°F, making it suitable for applications exposed to extreme temperature fluctuations.
• Regulatory compliance assurance with RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility in industrial use.
• Enhanced longevity and reduced maintenance through material properties that resist degradation from heat, chemicals, and compression set.

Professional Applications & Engineering Value

These Viton® flat washers are engineered to address critical challenges in high-temperature and chemically aggressive environments. The fluoroelastomer rubber composition delivers outstanding resistance to oils, fuels, and solvents, preventing seal failure in automotive, aerospace, and industrial machinery. With a temperature range of -10°F to 400°F, they maintain integrity in applications like engine compartments, hydraulic systems, and processing equipment where thermal cycling is common. The precise 0.12" ID and 0.312" OD dimensions ensure a snug fit for No. 4 screws, reducing leakage risks and vibration-induced wear. This makes them a reliable choice for engineers seeking durable, compliant sealing solutions that minimize downtime and enhance operational safety.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.12", outer diameter of 0.312", and thickness range of 0.019-0.043", designed for use with No. 4 screw sizes. It is manufactured from Viton® Fluoroelastomer Rubber with a Durometer 75A hardness, ensuring consistent performance under compression. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming adherence to strict environmental and safety standards for hazardous substances. Suitable for inch-system applications, it meets industry expectations for dimensional accuracy and material reliability in specialized sealing tasks.