S-91145A248 0.252" ID x 0.5" OD Insulating Washers

Insulating Washers

1280FA00071 Insulating Washers
1280FA00071 Insulating Washers

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

Part No.
Part No. 1280FA00071
Equivalent to mcmaster :
91145A248

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 0.252"
OD 0.5"
Thickness 0.031"
Overall Height 0.062"

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 1/4"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant

Geometric Parameters

Sleeve OD 0.312"
Sleeve Height 0.031"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Exceptional durability with Nylon 6/6 construction providing long-lasting performance in demanding environments
  • Precise fit for 1/4" screws with 0.252" ID ensuring secure fastening and vibration resistance
  • Wide temperature tolerance from -40°F to 180°F maintains integrity across extreme operating conditions
  • Superior hardness rating of Rockwell R108 delivers excellent wear resistance and load distribution
  • Chemical and corrosion resistance inherent to Nylon 6/6 protects against degradation in harsh industrial settings
  • Regulatory compliance assurance with RoHS 3 and REACH certifications for global market acceptance
  • Optimized sleeve design with 0.312" OD and 0.031" height provides enhanced bearing surface and stability

Professional Applications & Engineering Value

This Nylon 6/6 plastic sleeve washer delivers critical engineering solutions where metal fasteners fall short. The sleeve washer design combines the excellent electrical insulation properties of nylon with superior vibration damping capabilities, making it ideal for electrical enclosures, machinery assemblies, and automotive components. The 0.252" ID ensures perfect compatibility with 1/4" screws while the Rockwell R108 hardness provides lasting protection against embedding and surface damage. Engineers specify this washer for applications requiring chemical resistance to oils, solvents, and most chemicals, while the temperature range from -40°F to 180°F guarantees performance stability in both freezing and elevated temperature environments common in industrial settings.

Specification Summary & Compliance

This sleeve washer features precise inch system dimensions including 0.252" ID, 0.5" OD, and 0.031" thickness with an overall height of 0.062". The sleeve-specific dimensions include 0.312" OD and 0.031" height. Manufactured from Nylon 6/6 plastic with Rockwell R108 hardness rating, this component maintains dimensional stability across its specified temperature range. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and market accessibility for industrial applications worldwide.

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