S-95647A167 1.5 mm ID x 3.8 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
- Superior corrosion resistance for long-lasting performance in harsh environments without rust or degradation
- Excellent dimensional stability with precise 1.5mm ID and 3.8mm OD for consistent fit and reliable load distribution
- High-temperature tolerance up to 180°F maintains structural integrity in demanding thermal conditions
- Exceptional hardness rating (Rockwell M90) ensures durability and resistance to deformation under pressure
- Chemical and moisture resistance of Delrin® Acetal Plastic prevents swelling and maintains sealing effectiveness
- Regulatory compliance assurance with RoHS 3 and REACH standards for safe use in regulated industries
- Lightweight non-conductive properties ideal for electrical insulation and weight-sensitive assemblies
Professional Applications & Engineering Value
These M1.4 metric flat washers manufactured from Delrin® Acetal Plastic provide critical solutions for precision engineering applications where metal components would fail. The white plastic construction offers inherent corrosion resistance, eliminating galvanic corrosion concerns in mixed-material assemblies. With a Rockwell M90 hardness rating, these washers maintain their shape under sustained compression, preventing fastener loosening in vibrating environments. The 0.2-0.4 mm thickness range allows for precise gap filling and tension adjustment in tight-tolerance M1.4 screw applications. Ideal for electrical insulation, chemical processing equipment, and food-grade machinery, these washers deliver reliable performance where conductivity, contamination, or chemical exposure would compromise metal alternatives.
Specification Summary & Compliance
This metric flat washer features precise dimensions of 1.5mm internal diameter and 3.8mm outer diameter with thickness ranging from 0.2-0.4 mm, designed specifically for M1.4 screw applications. Manufactured from Delrin® Acetal Plastic with Rockwell M90 hardness and maximum temperature resistance of 180°F. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use across global markets.
