S-95630A470 0.281" ID x 0.5" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance – withstands continuous exposure up to 500°F, ideal for demanding thermal environments.
• Superior chemical resistance – PTFE material provides excellent protection against corrosive substances, extending component lifespan.
• Reliable sealing and insulation – ensures consistent performance in applications requiring electrical or fluid isolation.
• Durable construction with Durometer 55D hardness – offers optimal balance of flexibility and mechanical strength for repeated use.
• Precision dimensional fit – 0.281" ID and 0.5" OD designed for accurate alignment with 1/4" screws, reducing installation errors.
• Non-stick, low-friction surface – minimizes adhesion and facilitates easy maintenance in sticky or residue-prone setups.
• Full regulatory compliance – meets RoHS 3 and REACH standards, ensuring safety and environmental responsibility in industrial settings.

Professional Applications & Engineering Value

This PTFE plastic flat washer is engineered to address critical challenges in high-temperature and chemically aggressive environments. Its white PTFE construction delivers outstanding chemical resistance, preventing degradation from oils, solvents, and acids, which is vital in chemical processing, automotive, and aerospace sectors. The 500°F maximum temperature rating ensures reliable performance in heating systems, oven assemblies, and industrial machinery where thermal stability is paramount. Additionally, the flat washer design with precise 1/4" screw size compatibility provides effective load distribution and vibration dampening, while its inherent non-stick properties reduce buildup and simplify maintenance. These features make it an essential component for sealing, insulation, and spacing applications that demand long-term durability and minimal downtime.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.281", outer diameter of 0.5", and thickness ranging from 0.027" to 0.035". It is manufactured from PTFE plastic with a Durometer 55D hardness for consistent mechanical performance. The product conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use. Designed specifically for 1/4" screw sizes, it provides reliable fit and function in various assembly contexts.