S-90097A138 0.22" ID x 0.33" OD Insulating Washers

Insulating Washers

1281FA00012 Insulating Washers
1281FA00012 Insulating Washers

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

Part No.
Part No. 1281FA00012
Equivalent to mcmaster :
90097A138

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 0.22"
OD 0.33"
Overall Height 0.35"

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 No. 12

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 0.254"
Sleeve Height 0.25"
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 from -40°F to 180°F ensures reliable performance in extreme environments
  • Superior durability with Rockwell R118 hardness nylon plastic construction for long-lasting use in demanding applications
  • Precise dimensional compatibility with 0.22" ID and 0.33" OD designed specifically for No. 12 screws
  • Optimal load distribution through sleeve design that extends 0.25" height for enhanced stability
  • Full regulatory compliance with RoHS 3 and REACH standards for safe industrial applications
  • Excellent electrical insulation properties inherent to nylon material for electrical safety
  • Corrosion-resistant nylon construction maintains integrity in various environmental conditions

Professional Applications & Engineering Value

This nylon sleeve washer delivers critical engineering solutions where electrical insulation, chemical resistance, and dimensional stability are paramount. The off-white nylon plastic construction provides excellent dielectric properties while the sleeve design offers superior load distribution compared to flat washers. Engineered for No. 12 screw applications, these washers maintain consistent performance across a wide temperature range from -40°F to 180°F, making them ideal for electrical enclosures, automotive assemblies, and industrial equipment where thermal cycling occurs. The Rockwell R118 hardness ensures the washer withstands vibration and compression forces without deformation, solving common failure points in mechanical assemblies.

Specification Summary & Compliance

This sleeve washer features precise inch-dimension specifications including 0.22" internal diameter, 0.33" outer diameter, and 0.35" overall height with sleeve dimensions of 0.254" OD and 0.25" height. Manufactured from nylon plastic with Rockwell R118 hardness, the washer complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory compliance for industrial applications worldwide.

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