Temperature (°F): -50 - 300 Dash Size (in): 231 Compatible With: Air; Diacetone alcohol; Ethylene glycol; Extreme high/low temperatures; High aniline point oil; Iso-butyl alcohol; Ozone & UV light; Polyglycol Applications: Electrical system seals; High temperature air seals; High temperature static grease seals Not Compatible With: Acetone; Aromatic hydrocarbons; EP oil; Fuel oil; Gasoline; Ketones; Low aniline point oils; Petroleum oils; Steam & hot water Seal/O-Ring Type: Standard Primary Sealing Material: Rubber Cross Section Diameter (in): 0.139 Inside Diameter (in): 2.609 Outside Diameter (in): 2.887 Hardness (Shore A): 70 SAE AS568 Dash Size: -231 Color: Yellow Material Description: Silicone (VMQ) rubber is capable of service temperatures of -55 to 150C and is resistant air. Silicone rubber should not be used in applications that require resistance to fuel, oil and coolants. Coating: None Color Notes: Actual o-ring color may differ from image. Notes: Dimensions and material descriptions provided for reference only. Material: Silicone (VMQ)