Specification Brand : Mr O-Ring BulletPoint1 : Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons BulletPoint2 : Durometer (hardness) of 70A BulletPoint3 : Round cross-section provides a seal between cylindrical overlapping surfaces BulletPoint4 : For use across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C) BulletPoint5 : Meets standards defined by Aerospace Standard AS568A Color : Black ItemName : 407 O-Ring, Buna-N, 70A Durometer, 2-1/4" ID, 2-3/4" OD, 1/4" Width, Black (Pack of 25) ItemPackageDimensions_Height : 6.604 centimeters ItemPackageDimensions_Length : 15.24 centimeters ItemPackageDimensions_Width : 8.128 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : o-ring-seals Manufacturer : Small Parts Material : Nitrile Rubber ModelNumber : AZ-N70407/25 NumberOfItems : 25 PartNumber : N70407 Size : 407 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 25 UnspscCode : 31401503