S-96100A152 0.645" ID x 1.063" OD Plastic Washers

Plastic Washers

1266FA00064 Plastic Washers
1266FA00064 Plastic Washers

Image may differ from product. See technical specification for details.

Part No.
Part No. 1266FA00064
Equivalent to mcmaster :
96100A152

Basic Information

System of Measurement Inch
Washer Type Flat
Color Black

Dimension Parameters

ID 0.645"
OD 1.063"
Thickness 0.088-0.098"

Material & Strength Parameters

Material Hard Fiber
Hardness Rockwell R70

Temperature & Environment Parameters

Temperature Range, °F Maximum 230°

Installation & Application Parameters

For Screw Size 5/8"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (07/08/2021, 219 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior electrical insulation for safe operation in electrical assemblies and equipment
  • Excellent corrosion resistance due to the inert nature of hard fiber material
  • High durability and wear resistance provided by the Rockwell R70 hardness rating
  • Reliable performance in elevated temperatures with a maximum operating temperature of 230°F
  • Precise fit for 5/8" fasteners ensured by the 0.645" ID and 1.063" OD dimensions
  • Compliance with global environmental standards including RoHS 3 and REACH for responsible sourcing
  • Effective vibration dampening and sealing ideal for heavy-duty mechanical applications

Professional Applications & Engineering Value

This hard fiber flat washer is engineered to solve critical challenges in industrial settings where electrical insulation and corrosion resistance are paramount. The black hard fiber construction provides a non-conductive barrier, making it indispensable in electrical enclosures, control panels, and machinery to prevent short circuits. Its resilience to oils and chemicals, combined with a Rockwell R70 hardness, ensures it maintains structural integrity under compression and vibration, reducing maintenance needs. The ability to withstand temperatures up to 230°F makes it suitable for automotive, HVAC, and industrial equipment applications, offering a reliable, long-lasting sealing and spacing solution that outperforms standard metal washers in corrosive or electrically sensitive environments.

Specification Summary & Compliance

This washer conforms to inch system measurements with an Inside Diameter (ID) of 0.645", Outside Diameter (OD) of 1.063", and a Thickness of 0.088-0.098", designed for a 5/8" screw size. It is manufactured from hard fiber with a Rockwell R70 hardness and a maximum temperature rating of 230°F. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.

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