S-90097A169 0.754" ID x 0.935" OD Insulating Washers

Insulating Washers

1281FA00033 Insulating Washers
1281FA00033 Insulating Washers

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

Part No.
Part No. 1281FA00033
Equivalent to mcmaster :
90097A169

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 0.754"
OD 0.935"
Overall Height 0.295"

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 3/4"

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 0.81"
Sleeve Height 0.125"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Excellent corrosion resistance with durable nylon plastic construction, eliminating rust issues in demanding environments
  • Precise dimensional fit with 0.754" ID specifically engineered for 3/4" screw applications, ensuring secure fastening
  • Superior temperature performance maintaining integrity across extreme conditions from -40°F to 180°F
  • Optimized load distribution through the 0.125" sleeve height design, reducing stress concentrations
  • Enhanced durability with Rockwell R118 hardness rating for long-lasting performance under mechanical stress
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial applications
  • Reliable electrical insulation provided by nylon material properties, preventing galvanic corrosion

Professional Applications & Engineering Value

This nylon sleeve washer delivers exceptional engineering value through its specialized plastic construction and precise dimensional specifications. The 0.754" ID and 0.935" OD provide optimal clearance and bearing surface for 3/4" screw applications, while the 0.125" sleeve height ensures proper standoff and vibration resistance. Made from high-grade nylon material with Rockwell R118 hardness, this sleeve type washer effectively solves common industrial challenges including galvanic corrosion, chemical exposure, and electrical isolation requirements. Its wide temperature range from -40°F to 180°F makes it suitable for outdoor equipment, automotive assemblies, and electrical enclosures where thermal cycling occurs. The off-white color provides visual contrast for inspection purposes in quality control processes.

Specification Summary & Compliance

This inch system sleeve washer features precise dimensions including 0.754" inner diameter, 0.935" outer diameter, and 0.125" sleeve height, engineered for 3/4" screw size applications. Manufactured from nylon plastic with Rockwell R118 hardness rating, the washer maintains dimensional stability across its specified temperature range. The product fully complies with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements regarding chemical safety, ensuring regulatory compliance for industrial and commercial applications worldwide.

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