Specification Brand : Sterling Seal & Supply 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): 2-3/4 ID (Nominal): 1/8 CS (Nominal): 3 OD Color : Black ExternallyAssignedProductIdentifier1 : 756995051830 ExternallyAssignedProductIdentifier2 : 0756995051830 ItemName : Sterling Seal & Supply 232 Buna/Nitrile O-Ring, 70A Durometer, Black, 2-3/4" ID, 3" OD, 1/8" Width (Pack of 5) ItemPackageDimensions_Height : 22.5 centimeters ItemPackageDimensions_Length : 0.8 centimeters ItemPackageDimensions_Width : 14.5 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : o-ring-seals Manufacturer : Sterling Seal & Supply Material : Buna ModelNumber : 232-7470-NJ0005 NumberOfItems : 5 PackageLevel : unit PartNumber : 232-7470-NJ0005 ProductDescription : 1.They are circular in shape, round in cross-section. For use across a wide temperature range from -4℉ (-20C) to 212℉ (100C). 2.Nitrile has good mechanical properties when compared with other elastomers and high wear resistance. Good resistance to many petroleum oils, greases, hydraulic fluids, mineral oil and grease. 3.This O-ring is made of black nitrile rubber, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. 4.O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in , faucets, flanges, valves, and various cylinders. 5.Nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight and weathering and should therefore not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light. Package Content: 50pcs x O-Ring Size : 232 SupplierDeclaredDgHzRegulation : not_applicable TemperatureRange : -31 to 248 F degrees_fahrenheit UnitCount : 5 UnspscCode : 31401503