S-90295A345 0.115" ID x 0.25" OD Plastic Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance ensures long-lasting performance in harsh environments without rust or degradation
• Excellent electrical insulation properties prevent current leakage and short circuits in electrical assemblies
• Wide temperature tolerance from -40°F to 180°F maintains structural integrity across diverse operating conditions
• Precision dimensional fit with 0.115" ID and 0.25" OD provides secure seating for No. 4 screws in inch-system applications
• Rockwell R115 hardness delivers optimal durability while preventing damage to mating surfaces
• Consistent thickness control (0.057-0.067") ensures uniform load distribution and reliable sealing performance
• RoHS 3 compliance guarantees environmental responsibility and regulatory acceptance for global markets

Professional Applications & Engineering Value

These nylon plastic flat washers provide critical engineering solutions where metal fasteners fall short. The Nylon material offers inherent electrical insulation properties, making them ideal for electrical enclosures, control panels, and electronic assemblies where current isolation is mandatory. Their corrosion-resistant nature eliminates galvanic corrosion concerns when used with dissimilar metals, while the wide temperature range from -40°F to 180°F ensures reliable performance in both industrial freezing conditions and elevated temperature applications. The precise 0.115" ID and 0.25" OD dimensions provide perfect compatibility with No. 4 screw fasteners in inch-system assemblies, delivering consistent load distribution and vibration resistance without the weight penalty of metal alternatives.

Specification Summary & Compliance

This flat washer features inch-system dimensions with 0.115" internal diameter and 0.25" outer diameter, maintaining thickness between 0.057-0.067" for consistent performance. Manufactured from Nylon plastic with Rockwell R115 hardness rating, these washers comply with RoHS 3 (2015/863/EU) environmental standards and are engineered for temperature applications ranging from -40°F to 180°F maximum. The precise dimensional tolerances ensure proper fitment with standard No. 4 screw fasteners in various industrial and commercial applications.