S-90097A143 0.252" ID x 0.365" OD Insulating Washers

Key Features & Benefits at a Glance

• Superior electrical insulation properties thanks to nylon construction, preventing current leakage and short circuits in electrical assemblies
• Excellent corrosion and chemical resistance for long-lasting performance in harsh industrial environments without degradation
• Wide operating temperature tolerance from -40°F to 180°F, maintaining structural integrity in both freezing and elevated heat conditions
• Precise dimensional fit with 0.252" ID specifically engineered for 1/4" screws, ensuring secure fastening and vibration resistance
• Enhanced durability and wear resistance with Rockwell R118 hardness, providing reliable performance under repeated mechanical stress
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility in global supply chains
• Optimal load distribution through sleeve design with 0.365" OD, protecting surfaces and preventing fastener loosening

Professional Applications & Engineering Value

This nylon plastic sleeve washer delivers critical engineering solutions where metal fasteners cannot perform. The off-white nylon material provides essential dielectric properties for electrical applications, preventing galvanic corrosion between dissimilar metals while offering reliable insulation in control panels, junction boxes, and electronic enclosures. The sleeve-type design with 0.292" OD and 0.125" height creates a protective barrier that isolates fasteners from substrates, solving common issues of surface damage, electrolytic corrosion, and vibration-induced loosening. With its broad temperature range from -40°F to 180°F, this washer maintains dimensional stability in outdoor equipment, automotive components, and HVAC systems where thermal cycling would compromise lesser materials. The combination of chemical resistance and mechanical strength makes it ideal for chemical processing, marine environments, and food handling equipment where corrosion resistance and non-contaminating properties are essential.

Specification Summary & Compliance

This inch-system sleeve washer features precise dimensions including 0.252" ID, 0.365" OD, and 0.225" overall height with a 0.292" sleeve OD and 0.125" sleeve height, engineered for exact fit with 1/4" screws. Manufactured from nylon plastic with Rockwell R118 hardness, the washer maintains dimensional stability across its specified temperature range. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for hazardous substances.