S-91145A221 0.26" ID x 0.513" OD Insulating Washers

Key Features & Benefits at a Glance

• Excellent electrical insulation and chemical resistance from Nylon 6/6 material, protecting components in demanding environments.
• Reliable performance across a wide temperature range from -40°F to 180°F, ensuring stability in both cold and moderately hot applications.
• Superior durability and wear resistance thanks to a Rockwell R108 hardness rating, extending the washer's service life.
• Precise fit for 1/4" screws with a 0.26" ID and sleeve design, providing secure fastening and preventing loosening.
• RoHS 3 (2015/863/EU) compliance guarantees environmental safety and meets international regulatory standards for hazardous substances.
• Effective sealing and spacing with a 0.513" OD and sleeve height of 0.25", ideal for isolating materials and managing gaps.
• Lightweight and corrosion-proof off-white plastic construction, reducing overall assembly weight and eliminating rust concerns.

Professional Applications & Engineering Value

This Nylon 6/6 Plastic Sleeve Washer is engineered to solve common industrial challenges such as galvanic corrosion, electrical shorting, and vibration-induced fastener failure. Its sleeve type design and precise 0.26" ID ensure a snug fit on 1/4" screws, providing consistent load distribution and enhanced vibration resistance. The Nylon 6/6 material offers inherent chemical resistance and excellent dielectric properties, making it ideal for electrical insulation applications in control panels, automotive assemblies, and outdoor equipment. With a temperature range of -40°F to 180°F, it performs reliably in extreme conditions, from freezer systems to engine compartments, ensuring long-term assembly reliability without degradation.

Specification Summary & Compliance

This washer features an ID of 0.26", OD of 0.513", sleeve OD of 0.312", and overall height of 0.281", manufactured to inch system measurements. It conforms to standard dimensional tolerances for plastic washers and is RoHS 3 (2015/863/EU) compliant, ensuring it is free from restricted hazardous substances. The construction meets typical industry specifications for plastic sleeve washers, providing reliable performance in general industrial and commercial applications.