Specification Brand : Mr O-Ring BulletPoint1 : Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments 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 -67 degrees F (-55 degrees C) to 257 degrees F (125 degrees C) BulletPoint5 : Meets standards defined by Aerospace Standard AS568A Color : Black ItemName : 437 O-Ring, EPDM, 70A Durometer, 6" ID, 6-1/2" OD, 1/4" Width, Black (Pack of 5) ItemPackageDimensions_Height : 0.254 centimeters ItemPackageDimensions_Length : 17.272 centimeters ItemPackageDimensions_Width : 10.668 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : o-ring-seals Manufacturer : Small Parts Material : EPDM ModelNumber : AZ-E70437/5 NumberOfItems : 5 PartNumber : E70437 Size : 437 UnitCount : 5 UnspscCode : 31401503