AS568-321 FDA 3A Sanitary Brown Viton FKM 75 Duro O-Rings


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  • Model: FDABV75321
    Dimensions: 1-3/16"ID X 1-9/16"OD X 3/16"CS
    Actual: 1.162"ID X 0.210"CS
    Metric: 29.51mm ID X 5.33mm CS
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  • 110 in Stock
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FDA Approved Fluorocarbon FKM O-Rings Brown

The O-Ring Store LLC provides one of the largest range of O-Ring materials to meet the Food & Drug Administration’s (FDA) requirements for synthetic rubber compounds. Our Brown FDA Approved Fluorocarbon FKM O-Rings conform to the Code of Federal Regulations section 177.2600.

Specifications Met:

  • ASTM D2000 - 99 Grade M6HK810 A1-10 B38 C12 C20 EF31 EO88
  • Z1=Meets FDA 177.2600
  • Z2=Meets 3A Sanitary Class I requirements

3A Sanitary Approved Orings:

This standard is formulated by the International Association of Milk, Food and Environmental Sanitarians, U.S. Public Health Service, and the Dairy Industry Committee. These sanitary standards cover rubber materials intended for multiple-use as product contact surfaces or solution contact surfaces in the production, processing and handling of milk or milk products. Test procedures and criteria are also provided for rubber materials as a means of determining their ability to be cleaned and to receive effective bactericidal treatment or steam sterilization and to maintain their essential properties.    

FDA Grade Fluorocarbon FKM O-Rings 75 Duro Brown:

Chemical Resistant Fluorocarbon FKM rubber has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is normally not favorable and for static applications is limited to approximately –15°F (–26°C) although in certain situations it is suitable down to –40°F (–40°C). Under dynamic conditions, the lowest service temperature is between 5°F and 0°F (–15°C and –18°C). Gas permeability is very low and similar to that of butyl rubber.

Chemical Resistance:

  • Mineral oil and grease, low swelling in ASTM oil No. 1, and IRM 902 and IRM 903 oils
  • Hydraulic Oil, Petroleum Base
  • Non-flammable hydraulic fuels in the group HFD
  • Silicone oil and grease
  • Mineral and vegetable oil and grease
  • Aliphatic hydrocarbons (fuel, butane, propane, natural gas)
  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated hydrocarbons (trichlorethylene and carbon tetrachloride)
  • Chlorine Water
  • Gasoline, Fuels, also fuels with methanol content
  • Liquefied Petroleum Gas (LPG)
  • Natural Gas
  • Propane
  • Diesel Oil
  • High vacuum
  • Very good ozone, weather and aging resistance.

Not Compatible With:

  • Glycol based brake fluids
  • Ammonia gas, amines, alkalis
  • Brake Fluid
  • Acetone
  • Superheated steam
  • Low molecular organic acids (formic and acetic acids)
  • Skydrol 500
  • Methyl Ethyl Ketone

Operating temperature: -20° to +400F°

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1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719