Cross Section Diameter (mm): 3.53 Inside Diameter (mm): 209.14 SAE AS568 Dash Size: -267 Hardness (Shore A): 78 Outside Diameter (mm): 8.51 Color: Orange Material: HNBR - Hydrogenated Nitrile,HNBR (78),HNBR Material HNBR rubber is capable of service temperatures of -40 to 115C and is resistant to fuel, oils, lubricants and offers good abrasion and cut resistance. Coating: PTFE coating protects the O-Ring from installation damage and provides ease of assembly. Color Notes: Actual o-ring color may differ from image. Notes: Dimensions and material descriptions provided for reference only. Applications: Automotive air conditioner seals; High temperature flex boot seals; High temperature power steering seals; Higher temperature hydraulic seals; Middle cylinder liner seals Not Compatible With: Aromatic and oxygenated gasolines; Automotive and aircraft brake fluids; Chlorinated hydrocarbons; Ethers; Ketones; Phosphate ester fluids Compatible With: Abrasion resistant; Diesel fuels; Diester lubricants; Ozone; Petroleum oils, greases; Refrigerant HFC - 134a (Non-Freon); Silicone fluids; Steam; Water base engine coolants Temperature (°C): -40° - 121° Seal Inside Diameter (mm): 209.14