S-90097A183 1.005" ID x 1.28" OD Insulating Washers

Insulating Washers

1281FA00042 Insulating Washers
1281FA00042 Insulating Washers

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

Part No.
Part No. 1281FA00042
Equivalent to mcmaster :
90097A183

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 1.005"
OD 1.28"
Overall Height 0.935"

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 0.75"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional temperature resistance maintains dimensional stability and performance in environments ranging from -40°F to 180°F
  • Superior electrical insulation and corrosion resistance provided by durable nylon plastic material, ideal for protecting sensitive components
  • Precise 1.005" inner diameter ensures a secure and reliable fit for 1" screw sizes, preventing loosening under vibration
  • High Rockwell R118 hardness offers excellent wear resistance and long service life in demanding industrial applications
  • RoHS 3 and REACH compliance guarantees environmental safety and meets stringent international regulatory standards
  • Optimal load distribution with a 1.28" outer diameter and sleeve design, reducing surface pressure and material stress
  • Lightweight and non-conductive properties make installation easier and safer in electrical and lightweight assembly applications

Professional Applications & Engineering Value

This nylon plastic sleeve washer is engineered to solve critical challenges in industrial fastening systems. Its off-white nylon construction provides excellent resistance to corrosion, chemicals, and electrical currents, making it ideal for electrical enclosures, automotive assemblies, and outdoor equipment. The precise 1.005" ID and robust sleeve design ensure consistent performance under vibration and thermal cycling, preventing fastener failure. With a wide temperature range from -40°F to 180°F, it maintains dimensional stability in extreme environments, reducing maintenance needs and enhancing the reliability of 1" screw applications across various sectors.

Specification Summary & Compliance

This sleeve washer features an ID of 1.005", OD of 1.28", and overall height of 0.935", manufactured to inch system standards for precise compatibility. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. The Rockwell R118 hardness and nylon plastic material provide consistent performance, meeting industry requirements for durability and safety in technical applications.

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