S-93493A333 40 mm ID x 72 mm OD 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
- Exceptional thermal resistance - withstands continuous exposure up to 280°F without compromising structural integrity
- Superior electrical insulation properties - fiberglass construction prevents current leakage in electrical applications
- Enhanced corrosion resistance - ideal for harsh industrial environments and chemical exposure
- Precise dimensional accuracy - 40mm ID and 72mm OD ensure perfect fit for M39 screw applications
- Optimized load distribution - 1.4-1.8mm thickness provides excellent surface coverage and pressure dispersion
- Long-term durability - Rockwell M115 hardness maintains performance under repeated stress and vibration
- Regulatory compliance assurance - meets RoHS 3 and REACH standards for safe industrial use
Professional Applications & Engineering Value
These M39 metric flat washers with fiberglass construction deliver critical performance in demanding thermal and electrical environments. The light green fiberglass material provides excellent dielectric strength, making them ideal for electrical insulation applications where current leakage must be prevented. Their ability to maintain structural stability at 280°F maximum temperature solves common thermal degradation issues in automotive, aerospace, and industrial heating systems. The combination of corrosion resistance and high-temperature performance ensures reliable operation in chemical processing equipment, power generation facilities, and marine applications where both thermal stress and environmental factors challenge component longevity.
Specification Summary & Compliance
Precision-engineered with 40mm inner diameter and 72mm outer diameter dimensions specifically designed for M39 screw applications. The 1.4-1.8mm thickness range ensures consistent performance across manufacturing tolerances. These metric flat washers feature Rockwell M115 hardness for mechanical durability and are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and regulatory acceptance for industrial procurement.
