Temperature (°F): -50 - 300 Applications: Electrical system seals; High temperature air seals; High temperature static grease seals Primary Sealing Material: Rubber Seal/O-Ring Type: Standard Dash Size (in): 250 Compatible With: Air; Diacetone alcohol; Ethylene glycol; Extreme high/low temperatures; High aniline point oil; Iso-butyl alcohol; Ozone & UV light; Polyglycol Not Compatible With: Acetone; Aromatic hydrocarbons; EP oil; Fuel oil; Gasoline; Ketones; Low aniline point oils; Petroleum oils; Steam & hot water Cross Section Diameter (in): 0.139 Inside Diameter (in): 4.984 Outside Diameter (in): 5.262 Hardness (Shore A): 70 SAE AS568 Dash Size: -250 Color: Yellow Material: Silicone (70) 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.