S-95647A211 0.156" ID x 0.438" OD Plastic Washers

Key Features & Benefits at a Glance

• Excellent chemical and moisture resistance from Delrin® Acetal Plastic material, ensuring long-term reliability in harsh environments.
• Precise dimensional fit with 0.156" ID and 0.438" OD for secure seating on No. 6 screws, preventing loosening and misalignment.
• Consistent load distribution and vibration dampening due to the flat washer design and Durometer 83D hardness, protecting sensitive surfaces.
• Wide operating temperature range from -40°F to 180°F, making it suitable for both extreme cold and moderate heat applications.
• Guaranteed regulatory compliance with RoHS 3 and REACH, ensuring safety and environmental responsibility in global supply chains.
• Lightweight and non-conductive properties ideal for electrical insulation and reducing overall assembly weight.
• Superior durability and low friction for reduced wear on components and extended service life in dynamic applications.

Professional Applications & Engineering Value

This Delrin® Acetal Plastic flat washer is engineered to address common industrial challenges such as corrosion, electrical conductivity, and component wear. Its white color and acetal plastic construction provide excellent resistance to solvents, moisture, and UV exposure, making it ideal for outdoor equipment, electrical enclosures, and food processing machinery. The precise 0.156" ID and 0.438" OD ensure a perfect fit for No. 6 screw size fasteners, distributing load evenly to prevent surface damage and maintain joint integrity. With a Durometer 83D hardness, it offers reliable performance in applications requiring vibration isolation and thermal stability from -40°F to 180°F, reducing maintenance needs and downtime in automotive, aerospace, and consumer electronics assemblies.

Specification Summary & Compliance

This flat washer meets standard inch system dimensions with an inner diameter of 0.156", outer diameter of 0.438", and thickness range of 0.054-0.070". Manufactured from Delrin® Acetal Plastic with a hardness of Durometer 83D, it is designed for use with No. 6 screw size fasteners. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.