Specification Brand : Mr O-Ring BulletPoint1 : Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons BulletPoint2 : Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C) BulletPoint3 : Round in cross-section to provide a seal between cylindrical overlapping surfaces BulletPoint4 : Durometer (hardness) of 70A for resistance to penetration BulletPoint5 : Meets standards defined by Aerospace Standard AS568A Color : Black CustomerPackageType : Standard Packaging ItemName : 337 Buna-N O-Ring, 70A Durometer, Black, 3" ID, 3-3/8" OD, 3/16" Width (Pack of 10) ItemPackageDimensions_Height : 1.27 centimeters ItemPackageDimensions_Length : 22.86 centimeters ItemPackageDimensions_Width : 15.24 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : o-ring-seals Manufacturer : Small Parts Material : Nitrile Rubber ModelNumber : 337 NumberOfItems : 10 PartNumber : ORB-337-10 Size : 337 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 10 UnspscCode : 31410000