Seal O-Ring

Caterpillar

• Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.

• Polymer: HNBR (Hydrogenated nitrile)

• Applications: Automotive air conditioner seals; High temperature flex boot seals; High temperature power steering seals; Higher temperature hydraulic seals; Middle cylinder liner seals

• Material: HNBR (78),HNBR - Hydrogenated Nitrile,Polytetrafluoroethylene (PTFE) Plastic,Nitrile / NBR / HNBR / XNBR Rubber

• Not Compatible With: Aromatic and oxygenated gasolines; Automotive and aircraft brake fluids; Chlorinated hydrocarbons; Ethers; Ketones; Phosphate ester fluids

• Material Hardness: 78A

• Coating: None

• Compatible With: Abrasion resistant; Diesel fuels; Diester lubricants; Ozone; Petroleum oils, greases; Refrigerant HFC - 134a (Non-Freon); Silicone fluids; Steam; Water base engine coolants

• Inside Diameter (in): 0.549

• Dash Size (in): 113

• Temperature (°F): -40° - 275°

• Material Description: HNBR provides excellent abrasion and cut resistance. It works well with Air, Engine Oil, Diesel Fuel, Hydraulic Oil and Automatic Transmission Fluid applications. Some formulas may be used with Coolant/Urea. Do not use with Biodiesel.

• Cross Section Diameter (in): 0.103