S-91145A223 0.115" ID x 0.25" OD Insulating Washers

Key Features & Benefits at a Glance

• Superior electrical insulation properties from Nylon 6/6 plastic, preventing current leakage and short circuits in sensitive assemblies.
• Excellent corrosion and chemical resistance, ensuring long-term reliability in harsh industrial environments without degradation.
• Wide operating temperature range from -40°F to 180°F, maintaining structural integrity and performance in extreme thermal conditions.
• High durability with Rockwell R108 hardness, providing excellent resistance to wear, deformation, and vibration loosening.
• Precision dimensional fit with 0.115" ID and 0.25" OD for secure mounting on No. 4 screws, preventing misalignment and ensuring even load distribution.
• Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility for global supply chains.
• Lightweight and non-conductive design, reducing overall assembly weight while eliminating galvanic corrosion risks between dissimilar metals.

Professional Applications & Engineering Value

This Nylon 6/6 plastic sleeve washer delivers critical engineering solutions where electrical insulation and corrosion resistance are paramount. The sleeve washer design provides extended bearing surface protection, preventing fastener embedment into soft materials and distributing clamp load effectively. With its Rockwell R108 hardness and stable Nylon 6/6 material, it withstands mechanical stress and vibration in industrial applications including electrical enclosures, control panels, and automotive assemblies. The off-white color allows for easy identification and quality inspection. Its wide temperature range from -40°F to 180°F ensures reliable performance in both freezing outdoor conditions and elevated temperature environments, making it an ideal plastic sleeve washer for demanding B2B procurement needs across multiple industries.

Specification Summary & Compliance

This inch-system sleeve washer maintains precise dimensions with 0.115" ID, 0.25" OD, 0.031" thickness, and 0.093" overall height specifically engineered for No. 4 screw size applications. Manufactured from Nylon 6/6 plastic with Rockwell R108 hardness rating, it delivers consistent mechanical performance. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial components.