S-95630A817 0.187" ID x 1" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance maintains structural integrity and functionality up to 500°F, ideal for demanding thermal environments.
• Superior chemical resistance due to PTFE (Teflon) material, protecting assemblies from corrosive substances and extending service life.
• Reliable sealing and insulation properties for effective prevention of leaks and electrical isolation in industrial applications.
• Consistent dimensional stability with a precise 1" OD and 0.187" ID, ensuring a perfect fit for No. 8 screws and uniform load distribution.
• Optimized hardness (Durometer 55D) provides excellent crush resistance and durability without compromising on flexibility for a secure seal.
• Compliance with major safety standards including RoHS 3 and REACH, guaranteeing safe use in regulated industries.
• Versatile white PTFE construction offers non-stick, low-friction characteristics, reducing maintenance and part wear.

Professional Applications & Engineering Value

This PTFE plastic flat washer is engineered to solve critical challenges in harsh operational settings. Its high-temperature rating of 500°F and inherent chemical resistance make it indispensable in chemical processing, food and beverage, and semiconductor industries, where exposure to aggressive media and heat is common. The precise inch dimensions (1" OD, 0.187" ID) and Durometer 55D hardness ensure reliable performance as a sealing washer or insulation washer, preventing fluid leakage and electrical shorts. By maintaining integrity under extreme conditions, it reduces downtime and replacement costs, offering long-term engineering value for industrial plastic washer applications.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an OD of 1", ID of 0.187", and thickness ranging from 0.057" to 0.067", designed specifically for No. 8 screw sizes. It is manufactured from PTFE plastic with a hardness of Durometer 55D and a maximum temperature rating of 500°F. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.