S-97215A113 0.257" ID x 0.595" OD Insulating Washers

Key Features & Benefits at a Glance

• Superior electrical insulation provided by nylon plastic material, preventing current leakage and short circuits in sensitive equipment.
• Excellent corrosion and chemical resistance for long-lasting performance in harsh industrial environments without rust or degradation.
• Wide temperature tolerance from -40°F to 180°F, ensuring reliable operation in both extreme cold and moderate heat applications.
• High mechanical durability with Rockwell R120 hardness, offering excellent wear resistance and maintaining shape under load.
• Precise 1/4" screw compatibility with 0.257" ID and 0.595" OD for secure, vibration-resistant fastening in assembly operations.
• Environmentally compliant construction meeting RoHS 3 standards, making it suitable for regulated industries and export markets.
• Reduced maintenance requirements thanks to nylon's self-lubricating properties and resistance to weathering and UV exposure.

Professional Applications & Engineering Value

This nylon plastic sleeve washer delivers critical engineering solutions where metal fasteners fail. The off-white nylon construction provides essential electrical insulation in control panels, motor assemblies, and electronic enclosures, preventing galvanic corrosion when dissimilar metals contact. Its Rockwell R120 hardness ensures dimensional stability under compression loads, while the sleeve design offers superior load distribution compared to flat washers. The material's inherent corrosion resistance makes it ideal for chemical processing, marine, and outdoor applications where moisture and chemicals degrade metal components. With temperature performance spanning -40°F to 180°F, it maintains integrity in automotive underhood applications, HVAC systems, and industrial machinery experiencing thermal cycling.

Specification Summary & Compliance

This inch-system sleeve washer features precise dimensions: 0.257" ID, 0.595" OD, 0.042" thickness, and 0.289" overall height. Manufactured from nylon plastic with Rockwell R120 hardness rating, it's engineered for 1/4" screw size applications. The product is fully RoHS 3 (2015/863/EU) compliant and meets industry standards for plastic washers in mechanical and electrical assemblies.