S-90097A184 1.005" ID x 1.28" OD Insulating Washers

Insulating Washers

1281FA00043 Insulating Washers
1281FA00043 Insulating Washers

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

Part No.
Part No. 1281FA00043
Equivalent to mcmaster :
90097A184

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 1.005"
OD 1.28"
Overall Height 1.185"

Material & Strength Parameters

Material Nylon Plastic
Hardness Rockwell R118

Temperature & Environment Parameters

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

Installation & Application Parameters

For Screw Size 1"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant

Geometric Parameters

Sleeve OD 1.075"
Sleeve Height 1"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior chemical and moisture resistance thanks to durable nylon plastic construction, ensuring long-term reliability in harsh industrial environments
  • Excellent dimensional stability with precise 1.005" ID and 1.28" OD measurements, providing perfect fit for 1" screw applications
  • Wide temperature tolerance from -40°F to 180°F, maintaining performance in both extreme cold and moderate heat conditions
  • Enhanced durability and wear resistance with Rockwell R118 hardness rating, extending service life in high-vibration applications
  • Regulatory compliance assurance with RoHS 3 and REACH compliance, meeting international environmental and safety standards
  • Optimal load distribution through the sleeve design, preventing surface damage and improving assembly integrity
  • Non-conductive and corrosion-resistant properties making it ideal for electrical and chemical exposure applications

Professional Applications & Engineering Value

This nylon plastic sleeve washer delivers exceptional engineering value by solving critical industrial challenges. The off-white nylon construction provides excellent chemical resistance against oils, solvents, and most chemicals while maintaining dimensional stability across a broad temperature range from -40°F to 180°F. The sleeve washer design offers superior load distribution and vibration dampening, making it ideal for electrical enclosures, automotive assemblies, and machinery applications where metal washers might cause galvanic corrosion or electrical conductivity issues. The precise 1.005" ID and 1.28" OD dimensions ensure perfect compatibility with 1" screw sizes in inch system applications, while the Rockwell R118 hardness provides the necessary durability for long-term performance in demanding industrial environments.

Specification Summary & Compliance

This nylon sleeve washer features precise dimensional specifications including 1.005" inner diameter, 1.28" outer diameter, and 1.185" overall height with sleeve dimensions of 1.075" OD and 1" height. Manufactured to exacting standards for 1" screw size applications in the inch measurement system, the washer maintains consistent performance with Rockwell R118 hardness rating. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental and safety regulations for industrial components. The temperature performance range of -40°F to 180°F ensures reliable operation across diverse industrial conditions.

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