S-90940A102 2.7 mm ID x 5 mm OD DIN 433 Plastic Washers

Plastic Washers

1261FA00002 Plastic Washers
1261FA00002 Plastic Washers

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

Part No.
Part No. 1261FA00002
Equivalent to mcmaster :
90940A102

Basic Information

System of Measurement Metric
Washer Type Flat
Color Clear
Specifications Met DIN 433

Dimension Parameters

ID 2.7 mm
OD 5 mm
Thickness 0.5-0.6 mm

Material & Strength Parameters

Material Polycarbonate Plastic
Hardness Rockwell R120

Temperature & Environment Parameters

Temperature Range, °F Min. -40°
Temperature Range, °F Maximum 220°

Installation & Application Parameters

For Screw Size M2.5

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

  • Superior temperature resistance for reliable performance in extreme environments from -40°F to 220°F
  • Excellent visual monitoring capability through crystal-clear polycarbonate construction for easy inspection
  • Consistent dimensional stability with precise 2.7mm ID and 5mm OD meeting DIN 433 specifications
  • Enhanced electrical insulation properties ideal for sensitive electronic and electrical applications
  • Long-lasting durability maintained through Rockwell R120 hardness rating for repeated use
  • Environmental compliance assurance with RoHS 3 and REACH compliance for global market acceptance
  • Perfect M2.5 screw compatibility ensuring secure fastening with minimal 0.5-0.6mm profile

Professional Applications & Engineering Value

These clear polycarbonate flat washers deliver exceptional engineering value in applications where visibility, temperature stability, and electrical insulation are critical. The polycarbonate material maintains structural integrity across extreme thermal cycles from -40°F to 220°F, preventing brittleness in cold environments and deformation under heat. This makes them ideal for electrical insulation in control panels, transparent assemblies in medical devices, and corrosion-resistant applications in food processing equipment. The DIN 433 standard ensures precise dimensional control for consistent performance with M2.5 fasteners, while the crystal-clear transparency allows for visual verification of proper installation and wear monitoring in maintenance-critical systems.

Specification Summary & Compliance

This metric flat washer features precise dimensions with 2.7mm inner diameter and 5mm outer diameter, maintaining consistent 0.5-0.6mm thickness throughout. Manufactured to DIN 433 specifications for dimensional accuracy and performance reliability. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (updated 06/14/2023, 235 SVHC), meeting international environmental and safety standards for industrial components.

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