S-95610A360 5.3 mm ID x 11 mm OD Plastic Washers

Plastic Washers

1261FA00087 Plastic Washers
1261FA00087 Plastic Washers

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

Part No.
Part No. 1261FA00087
Equivalent to mcmaster :
95610A360

Basic Information

System of Measurement Metric
Washer Type Flat
Color Black

Dimension Parameters

ID 5.3 mm
OD 11 mm
Thickness 0.8-1.2 mm

Material & Strength Parameters

Material Nylon Plastic
Hardness Rockwell R120

Temperature & Environment Parameters

Temperature Range, °F Min. -40°
Temperature Range, °F Maximum 180°

Installation & Application Parameters

For Screw Size M5

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior electrical insulation prevents current leakage and short circuits in sensitive equipment
  • Excellent corrosion resistance ensures long-term reliability in humid or chemical environments
  • Wide temperature tolerance from -40°F to 180°F maintains performance in extreme conditions
  • Rockwell R120 hardness provides durable wear resistance against vibration and mechanical stress
  • Precision M5 sizing with 5.3mm ID and 11mm OD ensures perfect fit and even load distribution
  • RoHS 3 compliance meets strict environmental regulations for industrial applications
  • Lightweight nylon construction reduces overall assembly weight without compromising strength

Professional Applications & Engineering Value

These M5 metric flat washers deliver critical performance advantages where metal alternatives fail. The nylon plastic construction eliminates galvanic corrosion when used with dissimilar metals, while providing essential electrical insulation in panels, enclosures, and electronic assemblies. The black color offers UV resistance for outdoor applications, and the precise 0.8-1.2mm thickness ensures consistent clamping force without material deformation. Engineers specify these flat washers for automotive, aerospace, and marine applications where weight reduction, chemical resistance, and temperature stability are paramount. The combination of Rockwell R120 hardness and dimensional accuracy prevents loosening under vibration, making them ideal for machinery and equipment subject to dynamic loads.

Specification Summary & Compliance

This metric flat washer features precise dimensions of 5.3mm inner diameter and 11mm outer diameter with thickness ranging 0.8-1.2mm, engineered for M5 screw applications. Manufactured from nylon plastic with Rockwell R120 hardness rating, the washer maintains dimensional stability across its operating range. The product is fully RoHS 3 (2015/863/EU) compliant and meets international standards for restricted substances, making it suitable for global industrial supply chains and environmentally conscious manufacturing operations.

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