S-90132A150 0.656" ID x 1.312" OD Plastic Washers

Key Features & Benefits at a Glance

• Superior electrical and thermal insulation provided by hard fiber material, preventing galvanic corrosion and short circuits in electrical assemblies
• Exceptional vibration dampening and load distribution with precise 0.656" ID and 1.312" OD dimensions, reducing fastener loosening and surface damage
• Maintained performance under thermal stress with 230°F maximum temperature resistance, ideal for engines and heated industrial equipment
• Consistent dimensional stability with Rockwell R80 hardness rating, ensuring reliable compression resistance and long service life
• Optimized for 5/8" screw applications with exact inner diameter matching, preventing misalignment and installation errors
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety requirements for industrial components
• Enhanced chemical resistance from black hard fiber construction, suitable for applications involving oils, solvents, and mild chemicals

Professional Applications & Engineering Value

This hard fiber flat washer delivers critical engineering solutions where electrical insulation, vibration control, and thermal stability are paramount. The Rockwell R80 hardness ensures consistent performance under compression, while the black hard fiber material provides excellent dielectric properties for electrical assemblies and machinery. With a 230°F temperature range, it maintains integrity in automotive, HVAC, and industrial equipment applications where thermal cycling occurs. The precise 0.656" ID and 1.312" OD dimensions in the inch system guarantee perfect fit for 5/8" screws, preventing galvanic corrosion between dissimilar metals and reducing maintenance frequency in demanding environments.

Specification Summary & Compliance

This flat washer features dimensional specifications of 0.656" inner diameter, 1.312" outer diameter, and 0.086-0.100" thickness range, engineered for 5/8" screw applications in inch measurement systems. The component demonstrates Rockwell R80 hardness for consistent mechanical performance and meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with current substance restrictions. Manufacturing follows standard industrial tolerances for fiber washers, ensuring reliable performance across electrical, automotive, and general industrial applications where environmental regulations and material consistency are critical.