S-91145A212 0.115" ID x 0.235" OD Insulating Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability with a wide operating range from -40°F to 180°F, ensuring reliable performance in both extreme cold and moderate heat environments.
• Superior durability and wear resistance thanks to Nylon 6/6 material with Rockwell R108 hardness, reducing replacement frequency and maintenance costs.
• Precise dimensional fit with 0.115" ID and 0.235" OD, designed specifically for No. 4 screws to prevent loosening and ensure secure fastening.
• Effective insulation and vibration damping from the off-white nylon sleeve, protecting components from electrical contact and mechanical stress.
• RoHS 3 compliance for safe use in regulated industries, meeting environmental standards without compromising material integrity.
• Lightweight and corrosion-resistant construction, ideal for applications where metal washers may add unnecessary weight or risk rust.
• Optimized sleeve design with 0.145" OD and 0.047" sleeve height, providing enhanced load distribution and extended fastener life.

Professional Applications & Engineering Value

This Nylon 6/6 Plastic Sleeve Washer is engineered to address common industrial challenges such as galvanic corrosion, electrical isolation, and thermal expansion in fastening systems. Its sleeve design and off-white color make it ideal for use in electronics, automotive assemblies, and outdoor equipment where temperature fluctuations from -40°F to 180°F can cause metal fatigue or insulation failure. The Rockwell R108 hardness ensures it maintains shape under pressure, while the precise 0.115" ID and 0.235" OD provide a snug fit for No. 4 screw applications, reducing vibration-induced loosening and improving overall assembly longevity in industrial and commercial settings.

Specification Summary & Compliance

This washer features inch-based dimensions including ID: 0.115", OD: 0.235", Thickness: 0.047", Overall Height: 0.094", Sleeve OD: 0.145", and Sleeve Height: 0.047", designed for No. 4 screw sizes with standard inch measurement tolerances. It is manufactured from Nylon 6/6 plastic with a hardness of Rockwell R108 and complies with RoHS 3 (2015/863/EU) regulations, ensuring it meets environmental and safety standards for restricted substances.