S-95630A235 0.137" ID x 0.25" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability with a maximum temperature rating of 500°F, ensuring reliable performance in high-heat industrial environments.
• Superior chemical resistance due to PTFE material, protecting against corrosion and degradation in harsh chemical applications.
• Consistent dimensional accuracy with a 0.137" ID and 0.25" OD, providing a precise fit for No. 4 screws and reducing assembly errors.
• Optimal load distribution and vibration dampening from the flat washer design and Durometer 55D hardness, extending equipment lifespan.
• Compliance with stringent environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Low friction and non-stick properties of PTFE, minimizing wear and facilitating easy maintenance in dynamic applications.
• Lightweight and durable construction with a thickness of 0.008-0.012", offering strength without adding significant weight to assemblies.

Professional Applications & Engineering Value

Engineered for demanding settings, these PTFE plastic flat washers excel in applications where chemical resistance and thermal stability are critical. Made from high-grade PTFE with a Durometer 55D hardness, they prevent galvanic corrosion and maintain integrity under extreme temperatures up to 500°F. The precise 0.137" ID and 0.25" OD dimensions ensure a secure fit for No. 4 screws, reducing loosening in vibrating machinery. Ideal for industries like aerospace, chemical processing, and food manufacturing, these washers solve common issues like seal failure and material degradation, offering long-term reliability and reduced maintenance costs in high-temperature and corrosive environments.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.137", outer diameter of 0.25", and thickness ranging from 0.008" to 0.012". It is designed for No. 4 screw size and manufactured to ensure consistent dimensional tolerances. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-focused industrial applications.