S-90295A492 0.505" ID x 0.75" 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
- Exceptional corrosion resistance due to nylon material, eliminating rust and reducing maintenance in harsh environments.
- Reliable electrical insulation properties for safe use in electrical assemblies, preventing short circuits.
- Wide temperature tolerance from -40°F to 180°F, ensuring consistent performance in both freezing and heated conditions.
- High durability with Rockwell R115 hardness providing excellent load distribution and resistance to wear under pressure.
- Precise dimensional fit with 0.505" ID and 0.75" OD, designed for secure fastening with 1/2" screws to prevent loosening.
- RoHS 3 compliance ensuring environmental safety and meeting strict international regulatory standards.
- Lightweight nylon construction reducing overall assembly weight without compromising strength.
Professional Applications & Engineering Value
This nylon flat washer is engineered to address common industrial challenges such as galvanic corrosion, electrical hazards, and thermal expansion. Made from high-grade nylon plastic, it serves as an ideal electrical insulation washer in control panels, machinery, and outdoor equipment, where metal washers could fail. Its ability to withstand temperatures from -40°F to 180°F makes it suitable for automotive, HVAC, and marine applications, providing a reliable seal and vibration dampening. The precise 0.505" ID and 0.75" OD dimensions ensure easy installation with 1/2" screws, reducing assembly time and enhancing operational safety in demanding environments.
Specification Summary & Compliance
This washer features an inner diameter of 0.505", outer diameter of 0.75", and thickness ranging from 0.057" to 0.067", designed for use with 1/2" screws in the inch measurement system. It complies with RoHS 3 (2015/863/EU) standards, ensuring it is free from hazardous substances. The material hardness is rated at Rockwell R115, providing consistent performance across its specified temperature range of -40°F to 180°F, and it is manufactured to meet general industrial fastener specifications for flat washers.
