Dash Size (in): 024 Seal/O-Ring Type: Standard Primary Sealing Material: Rubber Cross Section Diameter (in): 0.07 Inside Diameter (in): 1.114 Outside Diameter (in): 1.254 Hardness (Shore A): 75 SAE AS568 Dash Size: -24 Color: Black Material: NBR (75) 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. Coating: None Color Notes: Actual o-ring color may differ from image. Notes: Dimensions and material descriptions provided for reference only.