S-91145A231 0.171" ID x 0.375" OD Insulating Washers

Key Features & Benefits at a Glance

• Superior electrical insulation properties from Nylon 6/6 material, preventing current leakage and short circuits in electrical assemblies
• Excellent chemical and corrosion resistance for long-lasting performance in harsh industrial environments
• Wide temperature tolerance from -40°F to 180°F, maintaining dimensional stability across extreme operating conditions
• Precision dimensional accuracy with 0.171" ID and 0.375" OD ensuring perfect fit for No. 8 screws and consistent assembly performance
• Enhanced durability and wear resistance thanks to Rockwell R108 hardness, reducing replacement frequency and maintenance costs
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring environmental safety and global market acceptance
• Optimal vibration dampening through the sleeve design, protecting threaded connections from loosening under dynamic loads

Professional Applications & Engineering Value

This Nylon 6/6 plastic sleeve washer delivers exceptional engineering value in demanding applications where electrical insulation, chemical resistance, and thermal stability are critical. The sleeve design provides superior protection against vibration-induced loosening while creating an effective barrier against moisture and contaminants. Engineered for No. 8 screw sizes with precise 0.171" inner diameter, this washer ensures perfect alignment and consistent clamping force in electrical enclosures, control panels, and machinery assemblies. The off-white nylon construction offers excellent dielectric properties, making it ideal for electrical insulation applications where metal washers would create short circuit risks. Its ability to maintain performance across extreme temperature ranges from -40°F to 180°F makes it suitable for outdoor equipment, automotive components, and industrial machinery operating in variable environmental conditions.

Specification Summary & Compliance

This precision sleeve washer features exact dimensional specifications including 0.171" ID, 0.375" OD, 0.040" thickness, and 0.29" overall height with inch system measurements. Manufactured from Nylon 6/6 plastic with Rockwell R108 hardness rating, it delivers consistent mechanical properties and dimensional stability. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications. The temperature rating of -40°F to 180°F confirms its suitability for both cryogenic and elevated temperature environments.