S-95630A475 0.281" ID x 0.735" OD Plastic Washers

Plastic Washers

1263FA00160 Plastic Washers
1263FA00160 Plastic Washers

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

Part No.
Part No. 1263FA00160
Equivalent to mcmaster :
95630A475

Basic Information

System of Measurement Inch
Washer Type Flat
Color White

Dimension Parameters

ID 0.281"
OD 0.735"
Thickness 0.057-0.067"

Material & Strength Parameters

Material PTFE Plastic
Hardness Durometer 55D

Temperature & Environment Parameters

Maximum Temperature 500°F

Installation & Application Parameters

For Screw Size 1/4"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Exceptional high-temperature resilience – maintains structural integrity and performance up to 500°F, ideal for demanding thermal environments.
  • Superior chemical resistance – PTFE material withstands corrosive substances, ensuring long-term reliability in harsh industrial settings.
  • Precise dimensional fit – with ID 0.281" and OD 0.735", this washer provides accurate alignment and secure fastening for 1/4" screws.
  • Consistent hardness and durability – Durometer 55D hardness offers optimal load distribution and resistance to deformation under pressure.
  • Excellent electrical insulation properties – PTFE construction prevents current leakage, enhancing safety in electrical assemblies.
  • Compliance with international standards – meets RoHS 3 and REACH regulations, ensuring safe use in global industrial applications.
  • Low friction and non-stick surface – reduces wear on components and simplifies maintenance in moving parts.

Professional Applications & Engineering Value

This PTFE plastic flat washer is engineered to address critical challenges in high-temperature and chemically aggressive environments. Its white PTFE material delivers unmatched resistance to acids, solvents, and bases, preventing degradation in chemical processing, aerospace, and automotive systems. The flat washer design with precise 1/4" screw size compatibility ensures reliable sealing and vibration dampening, while the 0.057-0.067" thickness provides consistent spacing and insulation. Ideal for electrical insulation and thermal management, it eliminates galvanic corrosion risks and maintains performance in industrial plastic washers applications, reducing downtime and replacement costs.

Specification Summary & Compliance

This washer adheres to inch-system dimensions with ID 0.281", OD 0.735", and thickness tolerance of 0.057-0.067". Manufactured from PTFE plastic with a Durometer 55D hardness, it ensures precise fit and durability. The product conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, guaranteeing compliance with hazardous substance restrictions for safe industrial use.

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