S-95630A816 0.187" ID x 1" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability with a 500°F maximum temperature rating, ensuring reliable performance in high-heat industrial environments.
• Superior chemical resistance provided by PTFE material, protecting against corrosion and extending component lifespan in harsh conditions.
• Precise dimensional fit with 1" OD and 0.187" ID, designed specifically for No. 8 screws to prevent loosening and ensure secure fastening.
• Consistent hardness and durability with Durometer 55D rating, offering excellent load distribution and vibration resistance.
• Reliable electrical insulation properties ideal for applications requiring non-conductive sealing and isolation.
• Compliance with global standards including RoHS 3 and REACH, ensuring safe use in regulated industries worldwide.
• Optimized thickness range (0.027-0.035") for versatile sealing and spacing applications while maintaining structural integrity.

Professional Applications & Engineering Value

These PTFE plastic flat washers deliver critical engineering solutions where standard metal washers fail. The white PTFE material provides outstanding chemical inertness, making them ideal for chemical processing, pharmaceutical, and food equipment where contamination must be avoided. Their high-temperature capability up to 500°F ensures stable performance in thermal cycling applications like oven assemblies, heat exchangers, and automotive systems. The precise inch system dimensions and No. 8 screw compatibility guarantee proper fitment, preventing galvanic corrosion when used with dissimilar metals while offering excellent electrical insulation. These washers solve common industrial challenges including thermal expansion mismatches, chemical degradation, and electrical isolation requirements in demanding environments.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 1" outer diameter, 0.187" inner diameter, and thickness range of 0.027-0.035" for consistent performance. The PTFE material maintains Durometer 55D hardness across the operating temperature range. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications. These flat washers meet industry standards for chemical resistance, thermal stability, and dimensional accuracy required in critical sealing and insulation applications.