S-90061A005 0.122" ID x 0.281" OD Insulating Washers

Key Features & Benefits at a Glance

• Superior electrical insulation and corrosion resistance thanks to Nylon 6/6 construction, ideal for sensitive electronic and outdoor applications
• Excellent dimensional stability with precise 0.122" ID and 0.281" OD, ensuring perfect fit and alignment for No. 4 screws
• Wide operating temperature range from -40°F to 180°F, maintaining performance in extreme environmental conditions
• Lightweight and durable sleeve design reduces assembly weight while providing reliable vibration dampening and load distribution
• RoHS 3 compliance guarantees environmentally safe manufacturing and meets global regulatory standards
• Cost-effective plastic alternative to metal washers, eliminating galvanic corrosion risks in mixed-material assemblies
• Low friction surface minimizes thread wear during installation, extending fastener service life

Professional Applications & Engineering Value

This Nylon 6/6 plastic sleeve washer delivers critical engineering solutions where metal fasteners fall short. The sleeve-type design provides superior insulation properties for electrical enclosures, control panels, and PCB mounting applications. Its black color offers UV resistance for outdoor equipment, while the temperature resistance from -40°F to 180°F ensures reliable performance in automotive, aerospace, and industrial machinery exposed to thermal cycling. The precise inch dimensions and No. 4 screw compatibility make it ideal for maintaining proper standoff distances in electronic assemblies, preventing short circuits and component damage. Engineers specify this washer to eliminate galvanic corrosion in mixed-metal applications while reducing overall assembly weight without compromising mechanical integrity.

Specification Summary & Compliance

This precision sleeve washer features exact inch system dimensions: 0.122" ID, 0.281" OD, 0.040" thickness, and 0.08" overall height with 0.187" sleeve OD. Manufactured from Nylon 6/6 plastic for consistent mechanical properties and dimensional stability. The product is fully RoHS 3 (2015/863/EU) compliant and operates effectively across the specified temperature range of -40°F to 180°F. While hardness is not rated, the material provides excellent wear resistance and durability for industrial fastener applications requiring reliable performance in demanding environments.