S-91145A216 0.173" ID x 0.344" OD Insulating Washers

Insulating Washers

1280FA00043 Insulating Washers
1280FA00043 Insulating Washers

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

Part No.
Part No. 1280FA00043
Equivalent to mcmaster :
91145A216

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 0.173"
OD 0.344"
Thickness 0.063"
Overall Height 0.204"

Material & Strength Parameters

Material Nylon 6/6 Plastic
Hardness Rockwell R108

Temperature & Environment Parameters

Temperature Range, °F Min. -40°
Temperature Range, °F Maximum 180°

Installation & Application Parameters

For Screw Size No. 8

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant

Geometric Parameters

Sleeve OD 0.205"
Sleeve Height 0.141"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Excellent electrical insulation properties for safe operation in electrical assemblies and sensitive equipment
  • Superior corrosion and chemical resistance ensures long-term reliability in harsh or humid industrial environments
  • Durable Nylon 6/6 construction with Rockwell R108 hardness provides excellent wear resistance and maintains dimensional stability
  • Wide operating temperature range from -40°F to 180°F for consistent performance in both extreme cold and moderate heat applications
  • Precision-engineered sleeve design offers superior load distribution and protection for No. 8 screw fastenings
  • RoHS 3 compliance guarantees environmental safety and meets stringent international regulatory standards
  • Off-white color and non-magnetic material ideal for applications requiring visual contrast and EMI/RFI insulation

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Nylon 6/6 sleeve washers solve critical challenges in assembly design. The sleeve-type construction provides enhanced bearing surface and prevents galvanic corrosion when used with dissimilar metals, a common issue in electrical enclosures and marine hardware. The material's inherent dielectric strength makes these washers indispensable for electrical insulation in control panels, automotive electronics, and communication devices. With a precise fit for No. 8 screws, they ensure secure fastening while resisting vibration loosening, making them ideal for precision assemblies where reliability is paramount.

Specification Summary & Compliance

This washer features precise inch-dimension specifications with an Inside Diameter (ID) of 0.173" and Outside Diameter (OD) of 0.344", designed specifically for No. 8 screw applications. Manufactured from high-grade Nylon 6/6 plastic, it maintains dimensional integrity and meets industry-standard performance criteria. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring adherence to environmental and safety regulations for hazardous substance restrictions.

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