S-91545A540 21 mm ID x 37 mm OD DIN 125 Plastic Washers
Plastic Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Self-lubricating design reduces friction and wear during installation, extending component lifespan
- Excellent vibration resistance maintains secure fastening in high-motion industrial environments
- Corrosion-free nylon construction ensures reliable performance in humid or chemical-exposed applications
- Consistent dimensional accuracy with DIN 125 compliance guarantees perfect fit for M20 screw applications
- High-temperature tolerance up to 220°F maintains structural integrity in demanding thermal conditions
- Rockwell M75 hardness provides durable bearing surface without damaging mating components
- Regulatory compliance with RoHS 3 and REACH standards meets global environmental and safety requirements
Professional Applications & Engineering Value
Engineered for demanding industrial assembly applications, these lubricant-filled nylon flat washers solve critical challenges in machinery maintenance and manufacturing. The integrated lubricant eliminates the need for external lubricants, preventing contamination in clean environments while reducing installation torque requirements. The gray nylon plastic construction provides excellent electrical insulation properties and resistance to oils, chemicals, and moisture, making these metric washers ideal for electrical enclosures, automotive assemblies, and food processing equipment. With DIN 125 compliance ensuring precise dimensional control, these washers deliver consistent performance in vibration-prone applications where maintaining bolt preload is critical for operational safety and equipment longevity.
Specification Summary & Compliance
This M20 metric flat washer features precise dimensions of 21mm ID, 37mm OD, and 2.7-3.3mm thickness manufactured to DIN 125 standard specifications. The product maintains dimensional tolerances appropriate for Class 2A thread fits and is certified RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental and substance restriction requirements for industrial components.
