S-95647A164 21.1 mm ID x 36.7 mm OD Plastic Washers
Plastic Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior chemical resistance from Delrin® Acetal Plastic material, ideal for harsh industrial environments where corrosion is a concern.
- Excellent dimensional stability ensures consistent performance and reliable fit under varying load conditions.
- Lightweight and non-conductive properties reduce overall assembly weight and prevent electrical interference.
- High-temperature tolerance up to 180°F allows for dependable use in applications with moderate thermal exposure.
- Precision metric sizing (21.1mm ID, 36.7mm OD) guarantees accurate alignment and secure fastening for M20 screws.
- RoHS 3 and REACH compliance ensures environmental safety and meets strict regulatory standards for industrial components.
- Smooth, low-friction surface minimizes wear and facilitates easy installation and removal.
Professional Applications & Engineering Value
This Delrin® Acetal Plastic Flat Washer is engineered to address common challenges in industrial applications, such as exposure to chemicals, moisture, and moderate heat. Made from high-performance acetal plastic, it offers exceptional dimensional stability and resistance to deformation, ensuring long-term reliability in assemblies requiring metric fasteners. The flat washer design distributes load evenly, preventing surface damage and loosening under vibration. Ideal for use in electrical enclosures, food processing equipment, and automotive components, this white metric washer provides a durable, non-corrosive alternative to metal washers, reducing maintenance needs and enhancing chemical resistance in demanding environments.
Specification Summary & Compliance
This flat washer features precise dimensions with an inner diameter (ID) of 21.1mm, outer diameter (OD) of 36.7mm, and thickness ranging from 2.7–3.3mm, designed for M20 screw size applications. Manufactured from Delrin® Acetal Plastic, it adheres to standard metric measurements for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use, with a maximum operating temperature of 180°F.
