S-95630A838 0.344" ID x 1" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional heat resistance with a maximum temperature rating of 500°F, ensuring reliable performance in high-temperature industrial environments
• Superior chemical and corrosion resistance thanks to PTFE material, providing long-lasting protection in harsh chemical applications
• Non-stick, low-friction surface prevents material buildup and facilitates easy maintenance in processing equipment
• Consistent dimensional stability with precise 0.344" ID and 1" OD measurements, ensuring proper fit for 5/16" screw applications
• Durable 55D durometer hardness maintains structural integrity under compression and vibration loads
• Regulatory compliance assurance with RoHS 3 and REACH certifications for safe use in regulated industries
• Reliable sealing performance with controlled thickness variation (0.027-0.035") for consistent pressure distribution

Professional Applications & Engineering Value

This PTFE plastic flat washer delivers critical engineering solutions where standard metal washers fail. The white PTFE material provides exceptional chemical inertness, making it ideal for chemical processing, pharmaceutical, and food industry applications where contamination must be avoided. Its high-temperature capability up to 500°F ensures reliable performance in thermal processing equipment, automotive systems, and industrial ovens where thermal cycling would degrade conventional materials. The non-stick properties prevent material adhesion in powder processing and packaging machinery, reducing downtime for cleaning. Engineered for 5/16" screw size applications, this washer maintains seal integrity and load distribution in assemblies subject to vibration and thermal expansion, providing long-term reliability in demanding industrial environments.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.344" internal diameter and 1" outer diameter, designed specifically for 5/16" screw size applications. The thickness is precision-controlled between 0.027-0.035" for consistent performance. Manufactured from PTFE plastic with 55D durometer hardness, the washer maintains dimensional stability across its operating range. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use worldwide.