Specification Brand : Sterling Seal & Supply, (STCC) BulletPoint1 : Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons BulletPoint2 : Temperature Range: -35°C (-31°F) to 120°C (248°F); Shelf-life: 15 Years BulletPoint3 : These versatile o-rings perform well in petroleum based oils & fuels, aliphatic hydrocarbons, vegetable oils, silicone oils & greases, ethylene glycol, dilute acids, and water to below 100°C (212°F) BulletPoint4 : Durometer (hardness) of 70A for resistance to penetration BulletPoint5 : O-ring Size meets standards defined by AS568A (b) ID (Nominal): 2-1/4 ID (Nominal): 1/8 CS (Nominal): 2-1/2 OD Color : Black ExternallyAssignedProductIdentifier : 7426824149115 ExternallyAssignedProductIdentifier1 : 756995037827 ExternallyAssignedProductIdentifier2 : 0756995037827 ItemName : Mr O-Ring 228 Buna/Nitrile O-Ring, 70A Durometer, Black, 2-1/4" ID, 2-1/2" OD, 1/8" Width (Pack of 10) ItemPackageDimensions_Height : 21.3 centimeters ItemPackageDimensions_Length : 1.2 centimeters ItemPackageDimensions_Width : 12.9 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : o-ring-seals Manufacturer : Sterling Seal & Supply, (STCC) Material : Buna ModelNumber : 228-7470-FL0010 NumberOfItems : 10 NumberOfPieces : 100 PackageLevel : unit PartNumber : 228-7470-FL0010 ProductDescription : Used in common sealing applications, these nitrile/Buna N O-rings offer excellent resistance to tearing. They handle common motor and hydraulic oils with ease. 70A durometer. -40-225 degrees F. Meet SAE AS568, ASTM D1418, ASTM D2000, SAE J200. Performs well in: -Petroleum oils and fuels -Silicone oils and greases -Ethylene glycol -Dilute acids -Water Size : 228 SupplierDeclaredDgHzRegulation : not_applicable TemperatureRange : 225 degrees_fahrenheit UnitCount : 10 UnspscCode : 31401503