S-90295A217 0.219" ID x 0.5" OD Plastic Washers

Key Features & Benefits at a Glance

• Excellent corrosion resistance due to non-conductive nylon plastic material, ideal for preventing galvanic reactions and extending equipment life.
• Reliable electrical insulation properties for safe use in electrical assemblies, reducing short-circuit risks.
• Broad temperature tolerance from -40°F to 300°F, ensuring consistent performance in harsh or fluctuating environments.
• High durability with Rockwell R115 hardness for long-lasting wear resistance under mechanical stress.
• Precise dimensional fit with 0.219" ID and 0.5" OD, designed for No. 10 screws to prevent loosening and improve assembly accuracy.
• Compliance with RoHS 3 and REACH standards for environmentally responsible and safe industrial use.
• Lightweight and non-marring green nylon construction, protecting sensitive surfaces from damage during installation.

Professional Applications & Engineering Value

This Nylon Plastic Flat Washer is engineered to address common industrial challenges such as corrosion, electrical hazards, and thermal instability. Made from durable nylon material with a Rockwell R115 hardness, it provides reliable electrical insulation and resists degradation in temperatures from -40°F to 300°F. The precise 0.219" ID and 0.5" OD dimensions ensure a secure fit for No. 10 screw size applications, reducing vibration and maintaining bolt tension in machinery, automotive, and electronic enclosures. Its green color allows for easy identification, while compliance with RoHS 3 and REACH supports use in regulated sectors, offering a cost-effective solution for corrosion-resistant and high-temperature environments.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.219", outer diameter of 0.5", and thickness range of 0.036-0.065", designed for No. 10 screws in the inch measurement system. It meets standard dimensional tolerances for consistent performance and is manufactured from nylon plastic with a hardness of Rockwell R115. 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 applications.