Inside Diameter (in): 0.55 Coating: None Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image. Material: HNBR (78) Compatible With: Abrasion resistant; Diesel fuels; Diester lubricants; Ozone; Petroleum oils, greases; Refrigerant HFC - 134a (Non-Freon); Silicone fluids; Steam; Water base engine coolants Not Compatible With: Aromatic and oxygenated gasolines; Automotive and aircraft brake fluids; Chlorinated hydrocarbons; Ethers; Ketones; Phosphate ester fluids Applications: Automotive air conditioner seals; High temperature flex boot seals; High temperature power steering seals; Higher temperature hydraulic seals; Middle cylinder liner seals Dash Size (in): 113 Cross Section Diameter (in): 0.1 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.