O-Ring Type: O-Ring Material: NBR Material Description: Nitrile (NBR) rubber is capable of service temperatures of -40 to 100C and is resistant to fuel oils, gasoline, ultra low sulfur diesel fuel and lubricants. Nitrile rubber is not recommended for applications that require resistance to bio-diesel or coolant. Hardness (Shore A): 70 SAE AS568 Dash Size: 12 Coating: None Color: Not Specified Color Notes: Actual O-ring color may differ from image. Notes: Dimensions and material descriptions provided for reference only. Inside Diameter (in): 0.364 Outside Diameter (in): 0.504 Cross Section Diameter (in): 0.07