S-90295A340 0.112" ID x 0.206" 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
- Corrosion-resistant nylon construction eliminates rust and chemical degradation in harsh environments
- Excellent electrical insulation properties prevent current leakage and short circuits in electrical assemblies
- Wide temperature tolerance (-40°F to 180°F) maintains performance in both freezing and elevated heat conditions
- Precision dimensional fit with 0.206" OD and 0.112" ID ensures perfect alignment with No. 4 screws
- Rockwell R115 hardness provides optimal durability without damaging mating surfaces
- RoHS 3 compliance meets stringent environmental regulations for hazardous substance restrictions
- Consistent thickness control (0.048-0.058") delivers reliable load distribution and vibration resistance
Professional Applications & Engineering Value
This nylon plastic flat washer solves critical engineering challenges where metal washers fail. The electrically insulating properties make it ideal for electrical enclosures, control panels, and electronic devices where current isolation is mandatory. Its corrosion-resistant nature eliminates galvanic corrosion when used with dissimilar metals, while the wide temperature range ensures reliability in automotive, HVAC, and outdoor applications. The Rockwell R115 hardness provides sufficient firmness for load bearing while remaining gentle on sensitive surfaces. These flat washers are particularly valuable in industries requiring non-conductive, chemical-resistant fastening solutions that maintain integrity across extreme environmental conditions.
Specification Summary & Compliance
Manufactured to precise inch system dimensions: 0.206" OD, 0.112" ID, and thickness range of 0.048-0.058" for No. 4 screw compatibility. The nylon material meets Rockwell R115 hardness standards and operates within -40°F to 180°F temperature limits. This flat washer is fully RoHS 3 (2015/863/EU) compliant, ensuring adherence to hazardous substance restrictions. The manufacturing process maintains consistent dimensional accuracy suitable for industrial assembly requirements.
