Specification Brand : Mr O-Ring BulletPoint1 : Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids from petroleum to aliphatic hydrocarbons and has a durometer (hardness) of 90A BulletPoint2 : Kit includes 200 pieces covering 12 dash sizes BulletPoint3 : Plastic case for portability and organized storage 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 : Buna-N O-Ring Kit, Black, Buna, 90A Durometer, 12-Sizes (Pack of 200 Pieces) ItemPackageDimensions_Height : 17.9 centimeters ItemPackageDimensions_Length : 3.8 centimeters ItemPackageDimensions_Width : 10.6 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : o-ring-seals Manufacturer : Small Parts Material : Nitrile Rubber ModelNumber : KIT-N90-12 NumberOfItems : 200 NumberOfPieces : 200 PartNumber : KIT-N90-12 UnitCount : 200 UnspscCode : 31401503