S-90097A150 0.168" ID x 0.27" OD Insulating Washers

Insulating Washers

1281FA00018 Insulating Washers
1281FA00018 Insulating Washers

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

Part No.
Part No. 1281FA00018
Equivalent to mcmaster :
90097A150

Basic Information

System of Measurement Inch
Washer Type Sleeve
Color Off-White

Dimension Parameters

ID 0.168"
OD 0.27"
Overall Height 0.115"

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. 8

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 0.198"
Sleeve Height 0.035"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior electrical insulation and corrosion resistance for enhanced component protection in demanding environments.
  • Excellent temperature resilience from -40°F to 180°F, ensuring reliable performance under thermal stress.
  • High durability with Rockwell R118 hardness, providing long-lasting wear resistance.
  • Precise dimensional fit with a 0.168" ID designed specifically for No. 8 screws, ensuring secure fastening.
  • Lightweight and non-conductive Nylon Plastic construction, ideal for preventing galvanic corrosion and reducing assembly weight.
  • Full regulatory compliance with RoHS 3 and REACH, meeting strict international environmental and safety standards.
  • Sleeve design offers added stability and surface distribution, improving joint integrity.

Professional Applications & Engineering Value

This nylon sleeve washer is engineered to solve critical challenges in electrical and industrial assemblies. Its Nylon Plastic material provides essential insulation, preventing short circuits and corrosion between dissimilar metals. The sleeve type construction enhances load distribution and vibration resistance, which is vital for maintaining fastener tension in machinery, electronics, and automotive applications. With a temperature range of -40°F to 180°F, it performs reliably in both freezing and moderately high-heat conditions, making it a versatile choice for industrial washers used in outdoor equipment, control panels, and precision instruments where electrical isolation and environmental durability are paramount.

Specification Summary & Compliance

This washer conforms to inch system measurements with an ID of 0.168", OD of 0.27", and overall height of 0.115", ensuring precise fit for No. 8 screw applications. It is manufactured from Nylon Plastic with a hardness of Rockwell R118 and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, affirming its adherence to hazardous substance restrictions and environmental safety protocols for global industrial use.

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