Primary Sealing Material: Rubber Seal/O-Ring Type: Standard Cross Section Diameter (in): 0.07 Inside Diameter (in): 0.426 Outside Diameter (in): 0.566 Hardness (Shore A): 75 SAE AS568 Dash Size: -13 Color: Brown Material Description: FKM rubber is capable of service temperatures of -40 to 150C and is resistant to air, fuel (including bio-diesel), lubricants and oils. FKM rubber should not be used in applications that require resistance to water or coolant. Coating: None Color Notes: Actual o-ring color may differ from image. Notes: Dimensions and material descriptions provided for reference only. Material: FKM - Fluoroelastomer