S-91145A222 0.26" ID x 0.513" OD Insulating Washers

Insulating Washers

1280FA00048 Insulating Washers
1280FA00048 Insulating Washers

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

Part No.
Part No. 1280FA00048
Equivalent to mcmaster :
91145A222

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 0.26"
OD 0.513"
Thickness 0.063"
Overall Height 0.251"

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

Geometric Parameters

Sleeve OD 0.312"
Sleeve Height 0.188"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Superior Temperature Resistance - Maintains structural integrity and performance in extreme conditions from -40°F to 180°F, ensuring reliability in harsh industrial environments.
  • Excellent Electrical Insulation - Nylon 6/6 plastic construction provides reliable non-conductive properties, enhancing safety in electrical assemblies.
  • Outstanding Vibration Dampening - The sleeve design and nylon material absorb shocks and reduce noise, prolonging the life of your components and fasteners.
  • Corrosion & Chemical Resistance - Inherently resistant to rust and many chemicals, offering long-term durability without the need for additional coatings.
  • Precision Fit for 1/4" Screws - With a 0.26" ID and 0.513" OD, it ensures accurate alignment and secure fastening, reducing installation errors and improving assembly efficiency.
  • High Hardness & Durability - Rockwell R108 hardness provides excellent wear resistance, maintaining dimensional stability under load for consistent performance.
  • Environmentally Compliant - RoHS 3 (2015/863/EU) Compliant, meeting strict regulatory standards for use in eco-conscious industries and global markets.

Professional Applications & Engineering Value

This Nylon 6/6 Plastic Sleeve Washer is engineered to address common industrial challenges such as electrical short-circuit risks, corrosion in humid or chemical environments, and vibration-induced loosening in machinery. Its sleeve design acts as a bushing or spacer, providing precise stand-off and insulation in assemblies for 1/4" screws. The off-white color and nylon material offer excellent dielectric properties, making it ideal for electrical insulation applications, while its resilience to temperature fluctuations from -40°F to 180°F ensures performance in automotive, HVAC, and outdoor equipment. By integrating this washer, engineers achieve enhanced vibration dampening, reduced metal-on-metal contact, and improved corrosion resistance, leading to lower maintenance costs and extended service life in demanding industrial washers applications.

Specification Summary & Compliance

This washer features precision dimensions including an ID of 0.26", OD of 0.513", thickness of 0.063", and sleeve OD of 0.312" for reliable fit in inch system applications. Manufactured from Nylon 6/6 plastic with a hardness of Rockwell R108, it adheres to standard industrial specifications for dimensional accuracy. The product is RoHS 3 (2015/863/EU) Compliant, ensuring it meets environmental regulations for hazardous substance restrictions, and is suitable for use in various sectors requiring high-performance, temperature-resistant components.

🔍
Cancel