S-91145A145 0.14" ID x 0.29" OD Insulating Washers

Insulating Washers

1280FA00021 Insulating Washers
1280FA00021 Insulating Washers

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

Part No.
Part No. 1280FA00021
Equivalent to mcmaster :
91145A145

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 0.14"
OD 0.29"
Thickness 0.047"
Overall Height 0.547"

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 No. 6

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant

Geometric Parameters

Sleeve OD 0.17"
Sleeve Height 0.5"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Excellent electrical insulation and corrosion resistance thanks to Nylon 6/6 material, ideal for preventing galvanic corrosion and short circuits.
  • Superior vibration dampening and noise reduction due to the plastic construction, extending the life of the assembly.
  • Reliable performance in extreme environments with a wide operating temperature range from -40°F to 180°F.
  • Consistent dimensional stability and load distribution provided by the 0.5" sleeve height and Rockwell R108 hardness.
  • Easy and secure fit for No. 6 screws with a precise 0.14" inner diameter (ID).
  • Safe for use in regulated industries as it is fully RoHS 3 (2015/863/EU) compliant.
  • Lightweight and non-magnetic properties make it perfect for sensitive electronic and aerospace applications.

Professional Applications & Engineering Value

This Nylon 6/6 Plastic Sleeve Washer is engineered to solve critical challenges in industrial applications where metal components fail. Its sleeve design acts as both a bushing and a washer, providing superior insulation and protecting No. 6 screws from loosening under vibration. The off-white color allows for easy identification in assemblies. Made from durable Nylon 6/6, it resists chemicals, wear, and deformation, ensuring long-term reliability in electrical enclosures, automotive assemblies, and machinery. The material's low friction coefficient reduces wear on mating surfaces, making it an essential component for maintenance-free operation and maximum durability in harsh conditions.

Specification Summary & Compliance

This inch-system washer features an ID of 0.14", OD of 0.29", overall height of 0.547", sleeve OD of 0.17", and sleeve height of 0.5". It is manufactured to precise dimensional standards for a secure fit with No. 6 screw size. The material hardness is specified as Rockwell R108. This product is RoHS 3 (2015/863/EU) Compliant, ensuring it meets stringent environmental regulations for hazardous substances.

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