S-90295A490 0.469" ID x 1.125" OD Plastic Washers

Key Features & Benefits at a Glance

• Excellent electrical insulation properties for safe use in electrical assemblies, preventing short circuits and current leakage.
• Superior corrosion and chemical resistance ensures long-term reliability in harsh environments where metal washers would degrade.
• Maintains performance across a wide temperature range from -40°F to 180°F, providing stability in both extreme cold and moderate heat.
• Durable Rockwell R115 hardness offers reliable load distribution and resistance to deformation under pressure.
• Precise inch-system sizing with a 0.469" ID ensures a perfect fit for 7/16" screws, simplifying installation and improving assembly accuracy.
• Full compliance with RoHS 3 and REACH regulations guarantees the use of safe, environmentally responsible materials for global market access.
• Non-conductive and non-magnetic nature makes it ideal for sensitive electronic and industrial applications without interference.

Professional Applications & Engineering Value

This Nylon Plastic Flat Washer is engineered to solve common industrial challenges where metal components fall short. Its nylon material provides inherent electrical insulation, making it indispensable in electrical enclosures, control panels, and electronic devices to prevent galvanic corrosion and ensure operational safety. The flat washer design with a precise 7/16" screw size fit offers consistent load distribution, protecting surfaces from damage and reducing maintenance needs. With a temperature range of -40°F to 180°F and high Rockwell R115 hardness, it delivers reliable performance in automotive, marine, and outdoor equipment, resisting moisture, chemicals, and wear. This non-metallic washer is a cost-effective solution for enhancing assembly longevity and compliance in demanding industrial applications.

Specification Summary & Compliance

This flat washer conforms to standard inch-system dimensions with an Inside Diameter (ID) of 0.469", Outside Diameter (OD) of 1.125", and Thickness of 0.054-0.074", designed for 7/16" screw size. It is manufactured from Nylon Plastic with a hardness of Rockwell R115 for consistent performance. 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 hazardous substances.