S-91145A165 0.26" ID x 0.513" OD Insulating Washers

Key Features & Benefits at a Glance

• Corrosion-free performance with Nylon 6/6 material, eliminating rust and galvanic corrosion in harsh environments
• Precise 1/4" screw compatibility ensures secure fit and prevents loosening in vibration-prone assemblies
• Excellent electrical insulation properties for safe use in electrical components and sensitive equipment
• Wide temperature tolerance from -40°F to 180°F maintains structural integrity in extreme operating conditions
• Rockwell R108 hardness provides durable bearing surface resistance against deformation under load
• RoHS 3 compliance meets international environmental standards for restricted hazardous substances
• Sleeve design advantage offers extended protection for fastener shafts while maintaining 0.25" sleeve height

Professional Applications & Engineering Value

This Nylon 6/6 plastic sleeve washer delivers critical engineering solutions where metal washers fail. The sleeve configuration provides extended coverage along fastener shafts, preventing abrasion and maintaining alignment in industrial applications. With its Rockwell R108 hardness and temperature resistance from -40°F to 180°F, this washer maintains dimensional stability in environments where thermal expansion would compromise metal alternatives. The off-white nylon construction offers excellent dielectric properties for electrical insulation while the corrosion-resistant nature eliminates contamination concerns in food processing, marine, and chemical exposure scenarios. Engineered for 1/4" screw compatibility with precise 0.26" ID and 0.513" OD dimensions, this sleeve washer ensures reliable performance in automotive, electronics, and machinery assemblies where vibration resistance and electrical isolation are paramount.

Specification Summary & Compliance

This inch-system sleeve washer features precise dimensional specifications including 0.26" ID, 0.513" OD, 0.063" thickness, and 0.313" overall height with 0.25" sleeve height. Manufactured from Nylon 6/6 plastic with Rockwell R108 hardness rating, the washer maintains compliance with RoHS 3 (2015/863/EU) standards for hazardous substance restrictions. The temperature performance range of -40°F to 180°F ensures reliable operation across industrial environments while the sleeve design provides enhanced protection for standard 1/4" fasteners.